src/acpi to src/lib: Fix spelling errors

These issues were found and fixed by codespell, a useful tool for
finding spelling errors.

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: I5b8ecdfe75d99028fee820a2034466a8ad1c5e63
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58080
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/arch/x86/c_start.S b/src/arch/x86/c_start.S
index a4a7b28..cb7d504 100644
--- a/src/arch/x86/c_start.S
+++ b/src/arch/x86/c_start.S
@@ -217,7 +217,7 @@
 	# use iret to jump to a 64-bit offset in a new code segment
 	# iret will pop cs:rip, flags, then ss:rsp
 	mov	%ss, %ax	# need to push ss..
-	push	%rax		# push ss instuction not valid in x64 mode,
+	push	%rax		# push ss instruction not valid in x64 mode,
 				# so use ax
 	push	%rsp
 	pushfq