MIPS: kexec: fix typos

Correct a couple of typos within comments in
arch/mips/kernel/relocate_kernel.S.

[paul.burton@mips.com: Add a commit message.]
Signed-off-by: NYegor Yefremov <yegorslists@googlemail.com>
Patchwork: https://patchwork.linux-mips.org/patch/19218/Signed-off-by: NPaul Burton <paul.burton@mips.com>

arch/mips/kernel/relocate_kernel.S

@@ -85,7 +85,7 @@ done:
 
 #ifdef CONFIG_CPU_CAVIUM_OCTEON
 	/* We need to flush I-cache before jumping to new kernel.
-	 * Unfortunatelly, this code is cpu-specific.
+	 * Unfortunately, this code is cpu-specific.
 	 */
 	.set push
 	.set noreorder
@@ -145,7 +145,7 @@ LEAF(kexec_smp_wait)
 #endif
 
 /* All parameters to new kernel are passed in registers a0-a3.
- * kexec_args[0..3] are uses to prepare register values.
+ * kexec_args[0..3] are used to prepare register values.
  */
 
 kexec_args: