Revert "ALSA: emu10k1: Fix warning: "CCR" redefined"

This reverts commit 83fc3bc0.

sh-specific "CCR" and "CCR2" have been prefixed by "SH_" in commit
a5f6ea29

 ('sh: prefix sh-specific "CCR" and
"CCR2" by "SH_"').

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>