Remove dead POWER7 code

There are a number of proc_gen branches removed that are trivially
dead code and comments that refer to P7. As well as those:

- Oliver points out that add_xics_icps() must be unused on POWER8
  because it asserts if number of threads > 4, so remove it.

- Change 16b7ae641 ("Remove POWER7 and POWER7+ support") removed all
  references to opal_boot_trampoline, so remove that.

- It also removed the only non-trival choose_bus implementation, so
  that is removed and its caller simplified.

- Remove the paca code, later CPUs use pcia.

Cc: Stewart Smith <stewart@flamingspork.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/core/affinity.c b/core/affinity.c
index d2bf030..dabe893 100644
--- a/core/affinity.c
+++ b/core/affinity.c
@@ -47,7 +47,7 @@ static uint32_t get_chip_node_id(struct proc_chip *chip)
 
 	/*
 	 * Else use the 3 top bits of the chip ID which should be
-	 * the node on both P7 and P8
+	 * the node on P8
 	 */
 	return chip->id >> 3;
 }