[gcc r16-3751] xtensa: Correct a typo

[Max Filippov]

https://gcc.gnu.org/g:220e4d2df797c634e8975cb0a8e4598268f7bbe9

commit r16-3751-g220e4d2df797c634e8975cb0a8e4598268f7bbe9
Author: Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
Date:   Tue Sep 9 23:36:44 2025 +0900

    xtensa: Correct a typo
    
    That was introduced in commit 42db504c2fb2b460e24ca0e73b8559fc33b3cf33,
    over 15 years ago!
    
    gcc/ChangeLog:
    
            * config/xtensa/xtensa.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
            Change "Xtrnase" in the comment to "Xtensa".

Diff:
---
 gcc/config/xtensa/xtensa.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/xtensa/xtensa.h b/gcc/config/xtensa/xtensa.h
index a8a0565c81e7..d49c9cd32f1c 100644
--- a/gcc/config/xtensa/xtensa.h
+++ b/gcc/config/xtensa/xtensa.h
@@ -401,7 +401,7 @@ enum reg_class
 #define INDEX_REG_CLASS NO_REGS
 
 /* The small_register_classes_for_mode_p hook must always return true for
-   Xtrnase, because all of the 16 AR registers may be explicitly used in
+   Xtensa, because all of the 16 AR registers may be explicitly used in
    the RTL, as either incoming or outgoing arguments.  */
 #define TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P hook_bool_mode_true