Change in coreboot[master]: buildgcc: Update GCC to 7.2.0

[Iru Cai (Code Review)]

Hello Idwer Vollering, Paul Menzel, guqr, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/20809

to look at the new patch set (#5).

Change subject: buildgcc: Update GCC to 7.2.0
......................................................................

buildgcc: Update GCC to 7.2.0

Also change .tar.bz2 to .tar.xz.

Change-Id: I85ee0efc6497ba8a38f6295e30524c90c689d909
Signed-off-by: Iru Cai 
---
M util/crossgcc/buildgcc
D util/crossgcc/patches/gcc-6.3.0_libgcc.patch
D util/crossgcc/patches/gcc-6.3.0_memmodel.patch
D util/crossgcc/patches/gcc-6.3.0_nds32.patch
D util/crossgcc/patches/gcc-6.3.0_pointer_integer.patch
D util/crossgcc/patches/gcc-6.3.0_riscv.patch
R util/crossgcc/patches/gcc-7.2.0_ada-raise.patch
R util/crossgcc/patches/gcc-7.2.0_elf_biarch.patch
R util/crossgcc/patches/gcc-7.2.0_gnat.patch
R util/crossgcc/patches/gcc-7.2.0_no-p-var.patch
D util/crossgcc/sum/gcc-6.3.0.tar.bz2.cksum
A util/crossgcc/sum/gcc-7.2.0.tar.xz.cksum
12 files changed, 3 insertions(+), 11,052 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/09/20809/5