arc: Use correct string when printing bfd DEBUG data

PRINT_DEBUG_RELOC_INFO_BEFORE() macro prints bunch of parameters
for debugging purposes.  Due to a seemingly copy/paste mistake,
the "input_section->vma" is printed under the field name
"symbol_section->vma".  This commit fixes that.

This fix is a courtesy of xiangzhai.

	* elf32-arc.c (PRINT_DEBUG_RELOC_INFO_BEFORE): Use the
	correct field name in the output string.

bfd/ChangeLog

@@ -1,3 +1,8 @@
+2020-03-25  Shahab Vahedi  <shahab@synopsys.com>
+
+	* elf32-arc.c (PRINT_DEBUG_RELOC_INFO_BEFORE): Use the
+	correct field name in the output string.
+
 2020-03-25  Alan Modra  <amodra@gmail.com>
 
 	PR 25662

bfd/elf32-arc.c

@@ -1255,11 +1255,11 @@ arc_special_overflow_checks (const struct arc_relocation_data reloc_data,
       else								\
 	ARC_DEBUG ("symbol_section->vma = NULL\n");			\
       if (input_section->output_section != NULL)			\
-	ARC_DEBUG ("symbol_section->vma = %#lx\n",			\
+	ARC_DEBUG ("input_section->vma = %#lx\n",			\
 		   input_section->output_section->vma			\
 		   + input_section->output_offset);			\
       else								\
-	ARC_DEBUG ("symbol_section->vma = NULL\n");			\
+	ARC_DEBUG ("input_section->vma = NULL\n");			\
       ARC_DEBUG ("PCL = %#lx\n", P);					\
       ARC_DEBUG ("P = %#lx\n", P);					\
       ARC_DEBUG ("G = %#lx\n", G);					\