southbridge/intel/ibexpeak/me.c: Silence warns about unused func

Move some __SMM__ functions under the #if preprocessor condition to
avoid warnings about unused functions.

Change-Id: I7f6fbc6a577032bc4e4635d91e8e94aecb517bd3
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6127
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
drivers/pc80/mc146818rtc_early.c: Silence unused func complaints

Clang complains these functions are unused since they find their way
into the bootblock of ROMCC boards by #including the .c file. These
static inlines should probably be moved into a header in reality.

Change-Id: I9d82a6befb0ac99afab6265f9d3649e419f2887d
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6122
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
northbridge/amd/gx2/raminit.c Halt func needs noreturn attrib

Missing "__attribute__((noreturn))" on halt function. This sync's the
implementation to be the same as that of amd/lx thereby avoiding
compiler warnings.

Change-Id: Iead16125805eb36ff875fba767cf8d4e5aa86715
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6157
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>