gpu: nvgpu: gv11b: pmu HAL update

Update pmu HAL to have function for
is_pmu_supported(). At this moment
pmu support is disabled for gv11b.

JIRA GV11B-21

Change-Id: I1790e6e4dc80e0761df78e6092da2b6ca0e39d64
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1243919
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

drivers/gpu/nvgpu/gv11b/pmu_gv11b.c

@@ -21,7 +21,13 @@
 #include "pmu_gv11b.h"
 #include "hw_pwr_gv11b.h"
 
+static bool gv11b_is_pmu_supported(struct gk20a *g)
+{
+	return false;
+}
+
 void gv11b_init_pmu_ops(struct gpu_ops *gops)
 {
 	gp10b_init_pmu_ops(gops);
+	gops->pmu.is_pmu_supported = gv11b_is_pmu_supported;
 }