openrisc: Fix broken paths to arch/or32

OpenRISC was mainlined as "openrisc", not "or32".
vmlinux.lds is generated from vmlinux.lds.S.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Stafford Horne <shorne@gmail.com>

arch/openrisc/kernel/entry.S

@@ -240,7 +240,7 @@ handler:							;\
  *	 occured. in fact they never do. if you need them use
  *	 values saved on stack (for SPR_EPC, SPR_ESR) or content
  *       of r4 (for SPR_EEAR). for details look at EXCEPTION_HANDLE()
- *       in 'arch/or32/kernel/head.S'
+ *       in 'arch/openrisc/kernel/head.S'
  */
 
 /* =====================================================[ exceptions] === */

arch/openrisc/kernel/head.S

@@ -1728,7 +1728,7 @@ _string_nl:
 
 /*
  * .data section should be page aligned
- *	(look into arch/or32/kernel/vmlinux.lds)
+ *	(look into arch/openrisc/kernel/vmlinux.lds.S)
  */
 	.section .data,"aw"
 	.align	8192