svga: fix format_conversion_table breakage

The new A1B5G5R5_UNORM, X1B5G5R5_UNORM formats were added in the
wrong place in commit ef874ee450b18e.

Fixes: ef874ee450b18e "gallium: Add support for 5551 with the 1-bit field in the low bit."

Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
1 file changed