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/powerpc/cpu/mpc85xx/qe_io.c b/arch/powerpc/cpu/mpc85xx/qe_io.c
index d805c22..49e82a2 100644
--- a/arch/powerpc/cpu/mpc85xx/qe_io.c
+++ b/arch/powerpc/cpu/mpc85xx/qe_io.c
@@ -8,7 +8,7 @@
  */
 
 #include <common.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include <asm/io.h>
 #include <asm/immap_85xx.h>