util/format: Fix pack/unpack of A1R5G5B5_UINT.

Avoids regressing KHR-GL33.packed_pixels.pbo_rectangle.* when
transitioning from mesa/main pack/unpack codegen to util/format's.

Fixes: b28eb044cdc1 ("gallium: Add equivalents of packed MESA_FORMAT_*UINT formats.")
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6297>
(cherry picked from commit e5e75b714d7a386cbdd0956ee4e9a5b4c70c963e)
diff --git a/.pick_status.json b/.pick_status.json
index 7997dcc..5bfdbe5 100644
--- a/.pick_status.json
+++ b/.pick_status.json
@@ -976,7 +976,7 @@
         "description": "util/format: Fix pack/unpack of A1R5G5B5_UINT.",
         "nominated": true,
         "nomination_type": 1,
-        "resolution": 0,
+        "resolution": 1,
         "master_sha": null,
         "because_sha": "b28eb044cdc1b9bbf4a830b36476f047b660b7ad"
     },
diff --git a/src/util/format/u_format.csv b/src/util/format/u_format.csv
index 8acfb86..237c4c9 100644
--- a/src/util/format/u_format.csv
+++ b/src/util/format/u_format.csv
@@ -500,7 +500,7 @@
 PIPE_FORMAT_B4G4R4A4_UINT           , plain, 1, 1, 1, up4 , up4 , up4 , up4 , zyxw, rgb, up4 , up4 , up4 , up4 , yzwx
 PIPE_FORMAT_A4R4G4B4_UINT           , plain, 1, 1, 1, up4 , up4 , up4 , up4 , yzwx, rgb, up4 , up4 , up4 , up4 , zyxw
 PIPE_FORMAT_A4B4G4R4_UINT           , plain, 1, 1, 1, up4 , up4 , up4 , up4 , wzyx, rgb, up4 , up4 , up4 , up4 , xyzw
-PIPE_FORMAT_A1R5G5B5_UINT           , plain, 1, 1, 1, up1 , up5 , up5 , up5 , wzyx, rgb, up5 , up5 , up5 , up1 , zyxw
+PIPE_FORMAT_A1R5G5B5_UINT           , plain, 1, 1, 1, up1 , up5 , up5 , up5 , yzwx, rgb, up5 , up5 , up5 , up1 , zyxw
 PIPE_FORMAT_A1B5G5R5_UINT           , plain, 1, 1, 1, up1 , up5 , up5 , up5 , wzyx, rgb, up5 , up5 , up5 , up1 , xyzw
 PIPE_FORMAT_R5G5B5A1_UINT           , plain, 1, 1, 1, up5 , up5 , up5 , up1 , xyzw, rgb, up5 , up5 , up5 , up1 , wzyx
 PIPE_FORMAT_B5G5R5A1_UINT           , plain, 1, 1, 1, up5 , up5 , up5 , up1 , zyxw, rgb, up1 , up5 , up5 , up5 , yzwx