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/lib/ppcstring.S b/arch/powerpc/lib/ppcstring.S
index 56bb3b8..4f60108 100644
--- a/arch/powerpc/lib/ppcstring.S
+++ b/arch/powerpc/lib/ppcstring.S
@@ -6,7 +6,7 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <ppc_asm.tmpl>
-#include <asm/errno.h>
+#include <linux/errno.h>
 
 	.globl	strcpy
 strcpy: