Fix typo in recent update to elf.c's core note handling code.

PR 33282
diff --git a/bfd/elf.c b/bfd/elf.c
index 84a220f..664fb6c 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -110,7 +110,7 @@
 #define NOTE_PSEUDO_SECTION_S390_VXRS_HIGH	".reg-s390-vxrs-high"
 #define NOTE_PSEUDO_SECTION_S390_VXRS_LOW	".reg-s390-vxrs-low"
 #define NOTE_PSEUDO_SECTION_SSP		 	".reg-ssp"
-#define NOTE_PSEUDO_SECTION_TDESC		".reg-tdesc"
+#define NOTE_PSEUDO_SECTION_TDESC		".gdb-tdesc"
 #define NOTE_PSEUDO_SECTION_X86_SEGBASES 	".reg-x86-segbases"
 #define NOTE_PSEUDO_SECTION_XFP          	".reg-xfp"
 #define NOTE_PSEUDO_SECTION_XSTATE       	".reg-xstate"