[gcc r12-6520] Include elfos.h before ${tm_file}.

[Martin Liska <marxin@gcc.gnu.org>]

https://gcc.gnu.org/g:f4ce10fb4d57d427cb8bed33b36b9cf56a1dd17c

commit r12-6520-gf4ce10fb4d57d427cb8bed33b36b9cf56a1dd17c
Author: Martin Liska <mliska@suse.cz>
Date:   Wed Jan 12 11:09:20 2022 +0100

    Include elfos.h before ${tm_file}.
    
    Fixes:
    
    In file included from ./tm.h:23,
                      from gcc/genconfig.c:25:
    gcc/config/elfos.h:209: warning: "READONLY_DATA_SECTION_ASM_OP" redefined
       209 | #define READONLY_DATA_SECTION_ASM_OP    "\t.section\t.rodata"
           |
    In file included from ./tm.h:21,
                      from gcc/genconfig.c:25:
    gcc/config/epiphany/epiphany.h:671: note: this is the location of the previous definition
       671 | #define READONLY_DATA_SECTION_ASM_OP    "\t.section .rodata"
    
    gcc/ChangeLog:
    
            * config.gcc: Include elfos.h before ${tm_file}.

Diff:
---
 gcc/config.gcc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 89e0992fda5..f1b8d832c6f 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1620,7 +1620,7 @@ csky-*-*)
 	esac
 	;;
 epiphany-*-elf | epiphany-*-rtems*)
-	tm_file="${tm_file} dbxelf.h elfos.h"
+	tm_file="dbxelf.h elfos.h ${tm_file}"
 	tmake_file="${tmake_file} epiphany/t-epiphany"
 	case ${target} in
 	epiphany-*-rtems*)