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/board/armadeus/apf27/apf27.c b/board/armadeus/apf27/apf27.c
index 30e720d..29995ea 100644
--- a/board/armadeus/apf27/apf27.c
+++ b/board/armadeus/apf27/apf27.c
@@ -16,7 +16,7 @@
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/gpio.h>
 #include <asm/gpio.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include "apf27.h"
 #include "crc.h"
 #include "fpga.h"