toolchain: gdb: update to 12.1

Release Notes:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob_plain;f=gdb/NEWS;hb=gdb-12.1-release

Refreshed patch:
- 120-fix-compile-flag-mismatch.patch

Signed-off-by: Nick Hainke <vincent@systemli.org>

toolchain/gdb/Makefile

@@ -7,12 +7,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=gdb
-PKG_VERSION:=11.2
+PKG_VERSION:=12.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNU/gdb
-PKG_HASH:=1497c36a71881b8671a9a84a0ee40faab788ca30d7ba19d8463c3cc787152e32
+PKG_HASH:=0e1793bf8f2b54d53f46dea84ccfd446f48f81b297b28c4f7fc017b818d69fed
 GDB_DIR:=$(PKG_NAME)-$(PKG_VERSION)
 
 HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(GDB_DIR)

toolchain/gdb/patches/120-fix-compile-flag-mismatch.patch

@@ -1,6 +1,6 @@
 --- a/gdbserver/configure
 +++ b/gdbserver/configure
-@@ -2661,7 +2661,7 @@ $as_echo "$as_me: error: \`$ac_var' was
+@@ -2664,7 +2664,7 @@ $as_echo "$as_me: error: \`$ac_var' was
        ac_cache_corrupted=: ;;
      ,);;
      *)