treewide: Fix printk() message errors

This patch fix spelling typos in printk and kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

arch/sh/kernel/cpu/Makefile

@@ -1,5 +1,5 @@
 #
-# Makefile for the Linux/SuperH CPU-specifc backends.
+# Makefile for the Linux/SuperH CPU-specific backends.
 #
 
 obj-$(CONFIG_CPU_SH2)		= sh2/

arch/sh/kernel/cpu/irq/Makefile

@@ -1,5 +1,5 @@
 #
-# Makefile for the Linux/SuperH CPU-specifc IRQ handlers.
+# Makefile for the Linux/SuperH CPU-specific IRQ handlers.
 #
 obj-$(CONFIG_SUPERH32)			+= imask.o
 obj-$(CONFIG_CPU_SH5)			+= intc-sh5.o