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>

board/keymile/km_arm/fpga_config.c

@@ -7,7 +7,7 @@
 
 #include <common.h>
 #include <i2c.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 
 /* GPIO Pin from kirkwood connected to PROGRAM_B pin of the xilinx FPGA */
 #define KM_XLX_PROGRAM_B_PIN    39

board/keymile/kmp204x/pci.c

@@ -14,7 +14,7 @@
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <asm/fsl_serdes.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 
 #include "kmp204x.h"