common: Drop linux/printk.h from common header

This old patch was marked as deferred. Bring it back to life, to continue
towards the removal of common.h

Move this out of the common header and include it only where needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/lib/gic-v3-its.c b/arch/arm/lib/gic-v3-its.c
index f6211a2..f4bbd21 100644
--- a/arch/arm/lib/gic-v3-its.c
+++ b/arch/arm/lib/gic-v3-its.c
@@ -9,6 +9,7 @@
 #include <asm/gic-v3.h>
 #include <asm/io.h>
 #include <linux/bitops.h>
+#include <linux/printk.h>
 #include <linux/sizes.h>
 
 static u32 lpi_id_bits;