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/usb/musb-new/musb_gadget.h b/drivers/usb/musb-new/musb_gadget.h
index ddd567b..bd1d4f6 100644
--- a/drivers/usb/musb-new/musb_gadget.h
+++ b/drivers/usb/musb-new/musb_gadget.h
@@ -14,7 +14,7 @@
 #include <linux/list.h>
 #ifdef __UBOOT__
 #include <asm/byteorder.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 #endif