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/lib/rsa/rsa-mod-exp.c b/lib/rsa/rsa-mod-exp.c
index 4a6de2b..9d78aa1 100644
--- a/lib/rsa/rsa-mod-exp.c
+++ b/lib/rsa/rsa-mod-exp.c
@@ -9,7 +9,7 @@
 #include <fdtdec.h>
 #include <asm/types.h>
 #include <asm/byteorder.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include <asm/types.h>
 #include <asm/unaligned.h>
 #else