gcc: Update gcc 9.X to version 9.2.0

This updates the GCC version 9.X to version 9.2.0.
The removed patches are applied upstream.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

toolchain/gcc/patches/9.2.0/881-no_tm_section.patch

@@ -0,0 +1,11 @@
+--- a/libgcc/crtstuff.c
++++ b/libgcc/crtstuff.c
+@@ -152,7 +152,7 @@ call_ ## FUNC (void)					\
+ #endif
+ 
+ #if !defined(USE_TM_CLONE_REGISTRY) && defined(OBJECT_FORMAT_ELF)
+-# define USE_TM_CLONE_REGISTRY 1
++# define USE_TM_CLONE_REGISTRY 0
+ #endif
+ 
+ /* We do not want to add the weak attribute to the declarations of these