openrisc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names

Instead of having the core code guess the note name for each regset,
use USER_REGSET_NOTE_TYPE() to pick the correct name from elf.h.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Kees Cook <kees@kernel.org>
Cc: Akihiko Odaki <akihiko.odaki@daynix.com>
Cc: linux-openrisc@vger.kernel.org
Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Link: https://lore.kernel.org/r/20250701135616.29630-14-Dave.Martin@arm.com
Signed-off-by: Kees Cook <kees@kernel.org>

arch/openrisc/kernel/ptrace.c

@@ -124,7 +124,7 @@ enum or1k_regset {
 
 static const struct user_regset or1k_regsets[] = {
 	[REGSET_GENERAL] = {
-			    .core_note_type = NT_PRSTATUS,
+			    USER_REGSET_NOTE_TYPE(PRSTATUS),
 			    .n = ELF_NGREG,
 			    .size = sizeof(long),
 			    .align = sizeof(long),
@@ -133,7 +133,7 @@ static const struct user_regset or1k_regsets[] = {
 			    },
 #ifdef CONFIG_FPU
 	[REGSET_FPU] = {
-			    .core_note_type = NT_PRFPREG,
+			    USER_REGSET_NOTE_TYPE(PRFPREG),
 			    .n = sizeof(struct __or1k_fpu_state) / sizeof(long),
 			    .size = sizeof(long),
 			    .align = sizeof(long),