treewide: replace #include <asm/errno.h> with <linux/errno.h>

Now, arch/${ARCH}/include/asm/errno.h and include/linux/errno.h have
the same content.  (both just wrap <asm-generic/errno.h>)

Replace all include directives for <asm/errno.h> with <linux/errno.h>.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[trini: Fixup include/clk.]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/imx-common/i2c-mxv7.c b/arch/arm/imx-common/i2c-mxv7.c
index ff72b1a..ae8809c 100644
--- a/arch/arm/imx-common/i2c-mxv7.c
+++ b/arch/arm/imx-common/i2c-mxv7.c
@@ -7,7 +7,7 @@
 #include <malloc.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include <asm/gpio.h>
 #include <asm/imx-common/mxc_i2c.h>
 #include <watchdog.h>