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/drivers/net/fsl_mdio.c b/drivers/net/fsl_mdio.c
index 77b9739..bd56166 100644
--- a/drivers/net/fsl_mdio.c
+++ b/drivers/net/fsl_mdio.c
@@ -11,7 +11,7 @@
 #include <phy.h>
 #include <fsl_mdio.h>
 #include <asm/io.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 
 void tsec_local_mdio_write(struct tsec_mii_mng __iomem *phyregs, int port_addr,
 		int dev_addr, int regnum, int value)