Support fusion for ELFv2 stubs

[Alan Modra]

git commit 397998fc32a3 changed the stubs but not the comments.

	* elf64-ppc.c (ppc_stub_plt_branch): Match comment with reality.

diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index b3f8f6b359..2bc0f9da10 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -2817,8 +2817,8 @@ must_be_dyn_reloc (struct bfd_link_info *info,
    ppc_stub_plt_branch:
    Similar to the above, but a 24 bit branch in the stub section won't
    reach its destination.
-   .	addis	%r11,%r2,xxx@toc@ha
-   .	ld	%r12,xxx@toc@l(%r11)
+   .	addis	%r12,%r2,xxx@toc@ha
+   .	ld	%r12,xxx@toc@l(%r12)
    .	mtctr	%r12
    .	bctr
 
@@ -2844,8 +2844,8 @@ must_be_dyn_reloc (struct bfd_link_info *info,
 
    A ppc_stub_plt_branch with an r2 offset looks like:
    .	std	%r2,40(%r1)
-   .	addis	%r11,%r2,xxx@toc@ha
-   .	ld	%r12,xxx@toc@l(%r11)
+   .	addis	%r12,%r2,xxx@toc@ha
+   .	ld	%r12,xxx@toc@l(%r12)
    .	addis	%r2,%r2,off@ha
    .	addi	%r2,%r2,off@l
    .	mtctr	%r12

-- 
Alan Modra
Australia Development Lab, IBM