Fix use of "command line X" in binutils doc

Binutils documentation uses a mix of spelling for the compound word
"command-line X". According to [1]:

"Sometimes compound words are written separately (nail polish),
sometimes with a hyphen (short-sighted) and sometimes as one word
(eyelashes). Often new compounds are written as two separate words and,
as they become more familiar, they are either connected with a hyphen
(-) or made into one word."

I think command-line X is common enough in our industry that the two
workds command and line should be connected. Since command-line is more
common than commandline, I propose to update binutils documentation to
consistently use "command-line" when this is used as an adjective to a
noun (eg. command-line argument, command-line switch, command-line
option and command-line flag). I've left occurences of "the command
line" as is. I've also left gdb, sim and readline alone and have only
touched public documentation (texi and NEWS files).

[1]
http://dictionary.cambridge.org/grammar/british-grammar/word-formation/compounds

2018-07-02  Thomas Preud'homme  <thomas.preudhomme@arm.com>

bfd/
	* doc/bfdint.texi: Use command-line consistently when used in a
	compount word.
	* doc/bfdsumm.texi: Likewise.

binutils/
	* NEWS: Use command-line consistently when used in a compount word.
	* doc/binutils.texi: Likewise and fix trailing whitespace on same
	line.

gas/
	* NEWS: Use command-line consistently when used in a compount word.
	* doc/as.texi: Likewise.
	* doc/c-aarch64.texi: Likewise.
	* doc/c-alpha.texi: Likewise.
	* doc/c-arc.texi: Likewise.
	* doc/c-arm.texi: Likewise.
	* doc/c-avr.texi: Likewise.
	* doc/c-bfin.texi: Likewise.
	* doc/c-cris.texi: Likewise.
	* doc/c-epiphany.texi: Likewise.
	* doc/c-i386.texi: Likewise.
	* doc/c-ia64.texi: Likewise.
	* doc/c-lm32.texi: Likewise.
	* doc/c-m32r.texi: Likewise.
	* doc/c-m68k.texi: Likewise.
	* doc/c-mips.texi: Likewise.
	* doc/c-mmix.texi: Likewise.
	* doc/c-msp430.texi: Likewise.
	* doc/c-mt.texi: Likewise.
	* doc/c-nios2.texi: Likewise.
	* doc/c-ppc.texi: Likewise.
	* doc/c-pru.texi: Likewise.
	* doc/c-rl78.texi: Likewise.
	* doc/c-rx.texi: Likewise.
	* doc/c-tic6x.texi: Likewise.
	* doc/c-v850.texi: Likewise.
	* doc/c-vax.texi: Likewise.
	* doc/c-visium.texi: Likewise.
	* doc/c-xstormy16.texi: Likewise.
	* doc/c-xtensa.texi: Likewise.
	* doc/c-z80.texi: Likewise.
	* doc/c-z8k.texi: Likewise.
	* doc/internals.texi: Likewise.

gprof/
	* gprof.texi: Use command-line consistently when used in a compount
	word.

ld/
	* NEWS: Use command-line consistently when used in a compount word.
	* ld.texinfo: Likewise.
	* ldint.texinfo: Likewise.

1 files changed, 6 insertions, 6 deletions

diff --git a/gas/doc/c-tic6x.texi b/gas/doc/c-tic6x.texi
index 4622e18..8744100 100644
--- a/gas/doc/c-tic6x.texi
+++ b/gas/doc/c-tic6x.texi
@@ -28,7 +28,7 @@
 @c man begin OPTIONS
 @table @gcctabopt
 
-@cindex @code{-march=} command line option, TIC6X
+@cindex @code{-march=} command-line option, TIC6X
 @item -march=@var{arch}
 Enable (only) instructions from architecture @var{arch}.  By default,
 all instructions are permitted.
@@ -36,8 +36,8 @@ all instructions are permitted.
 The following values of @var{arch} are accepted: @code{c62x},
 @code{c64x}, @code{c64x+}, @code{c67x}, @code{c67x+}, @code{c674x}.
 
-@cindex @code{-mdsbt} command line option, TIC6X
-@cindex @code{-mno-dsbt} command line option, TIC6X
+@cindex @code{-mdsbt} command-line option, TIC6X
+@cindex @code{-mno-dsbt} command-line option, TIC6X
 @item -mdsbt
 @itemx -mno-dsbt
 The @option{-mdsbt} option causes the assembler to generate the
@@ -47,7 +47,7 @@ default, causes the tag to have a value of 0, indicating that the code
 does not use DSBT addressing.  The linker will emit a warning if
 objects of different type (DSBT and non-DSBT) are linked together.
 
-@cindex @code{-mpid=} command line option, TIC6X
+@cindex @code{-mpid=} command-line option, TIC6X
 @item -mpid=no
 @itemx -mpid=near
 @itemx -mpid=far
@@ -61,8 +61,8 @@ addressing with GOT accesses using far DP addressing.  The linker will
 emit a warning if objects built with different settings of this option
 are linked together.
 
-@cindex @code{-mpic} command line option, TIC6X
-@cindex @code{-mno-pic} command line option, TIC6X
+@cindex @code{-mpic} command-line option, TIC6X
+@cindex @code{-mno-pic} command-line option, TIC6X
 @item -mpic
 @itemx -mno-pic
 The @option{-mpic} option causes the assembler to generate the