drivers/ipmi to lib: Fix misspellings & capitalization issues

Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I926ec4c1c00339209ef656995031026935e52558
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77637
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/include/cpu/x86/mp.h

@@ -75,7 +75,7 @@ struct mp_ops {
 		uintptr_t staggered_smbase);
 	/*
 	 * Optionally provide a callback that is called after the APs
-	 * and the BSP have gone through the initialion sequence.
+	 * and the BSP have gone through the initialization sequence.
 	 */
 	void (*post_mp_init)(void);
 };