common: Move flash_perror() to flash.h

This function belongs more in flash.h than common.h so move it.

Also remove the space before the bracket in some calls.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/common.h b/include/common.h
index c35af99..c3dcf6d 100644
--- a/include/common.h
+++ b/include/common.h
@@ -78,9 +78,6 @@
  */
 int arch_fixup_fdt(void *blob);
 
-/* common/flash.c */
-void flash_perror (int);
-
 /* common/cmd_source.c */
 int	source (ulong addr, const char *fit_uname);
 
diff --git a/include/flash.h b/include/flash.h
index 807800b..2655c72 100644
--- a/include/flash.h
+++ b/include/flash.h
@@ -117,6 +117,13 @@
 #define CFI_CMDSET_AMD_LEGACY		0xFFF0
 #endif
 
+/**
+ * flash_perror() - Print a flash error
+ *
+ * @err: Error number of message to print (ERR_... as below)
+ */
+void flash_perror(int err);
+
 /*-----------------------------------------------------------------------
  * return codes from flash_write():
  */