drm/amdkfd: bump minimum vgpr size for gfx1151

drm/amdkfd: bump minimum vgpr size for gfx1151

commit cf326449637a566ba98fb82c47d46cd479608c88 upstream.

GFX1151 has 1.5x the number of available physical VGPRs per SIMD.
Bump total memory availability for acquire checks on queue creation.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit b42f3bf9536c9b710fd1d4deb7d1b0dc819dc72d)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>