ac/nir: Make the GFX9 buffer size fix apply to image loads/atomics too.

No clue how I missed those ...

Fixes: 4503ff76 "ac/nir: Add workaround for GFX9 buffer views."
CC: <mesa-stable@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105320


Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
(cherry picked from commit b0e3a9b1)
[Juan A. Suarez: resolve trivial conflicts]
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>

Conflicts:
	src/amd/common/ac_nir_to_llvm.c