x86/entry: Remove unused argument %rsi passed to exc_nmi()

exc_nmi() only takes one argument of type struct pt_regs *, but
asm_exc_nmi() calls it with 2 arguments. The second one passed
in %rsi seems to be a leftover, so simply remove it.
Signed-off-by: Xin Li (Intel) <xin@zytor.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Link: https://lore.kernel.org/r/20230926061319.1929127-1-xin@zytor.com

arch/x86/entry/entry_64.S

@@ -1237,7 +1237,6 @@ SYM_CODE_START(asm_exc_nmi)
 	 */
 
 	movq	%rsp, %rdi
-	movq	$-1, %rsi
 	call	exc_nmi
 
 	/*
@@ -1451,7 +1450,6 @@ end_repeat_nmi:
 	UNWIND_HINT_REGS
 
 	movq	%rsp, %rdi
-	movq	$-1, %rsi
 	call	exc_nmi
 
 	/* Always restore stashed SPEC_CTRL value (see paranoid_entry) */