gcc: define USE_PT_GNU_EH_FRAME for musl as well, reduces binary object size

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 40874

toolchain/gcc/patches/4.8-linaro/860-uclibc_use_eh_frame.patch

@@ -1,6 +1,6 @@
 --- a/libgcc/crtstuff.c
 +++ b/libgcc/crtstuff.c
-@@ -100,15 +100,20 @@ call_ ## FUNC (void)					\
+@@ -100,15 +100,22 @@ call_ ## FUNC (void)					\
  #if defined(OBJECT_FORMAT_ELF) \
      && !defined(OBJECT_FORMAT_FLAT) \
      && defined(HAVE_LD_EH_FRAME_HDR) \
@@ -24,6 +24,8 @@
 +       || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
 +#   define USE_PT_GNU_EH_FRAME
 +#  endif
++# else
++#   define USE_PT_GNU_EH_FRAME
  # endif
  #endif