[XS] Change in coreboot[main]: xcompile: Drop CC_RT_EXTRA_GCC for PPC64

[Nico Huber (Code Review)]

Nico Huber has submitted this change. ( https://review.coreboot.org/c/coreboot/+/83577?usp=email )

Change subject: xcompile: Drop CC_RT_EXTRA_GCC for PPC64
......................................................................

xcompile: Drop CC_RT_EXTRA_GCC for PPC64

It looks like some unused artifact:  The PPC64 Makefile.mk doesn't
pick it up. Also, the only other architecture using this (x86) has
linker flags there, not compiler flags.

Change-Id: I734542db9ee5b62d9a39d303d4092cd83dfef54b
Signed-off-by: Nico Huber 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83577
Tested-by: build bot (Jenkins) 
Reviewed-by: Arthur Heymans 
---
M util/xcompile/xcompile
1 file changed, 0 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Arthur Heymans: Looks good to me, approved

diff --git a/util/xcompile/xcompile b/util/xcompile/xcompile
index 3948811..b3012b5 100755
--- a/util/xcompile/xcompile
+++ b/util/xcompile/xcompile
@@ -415,7 +415,6 @@
    TWIDTH="64"
    TSUPP="ppc64"
    TABI="linux-gnu" # there is no generic ABI on ppc64
-	CC_RT_EXTRA_GCC="-mcpu=power8 -mbig-endian"
 }

# Right now, the clang reference toolchain is not building compiler-rt builtins