gpu: nvgpu: fpga: set gr_idle_timeout_default

set gr_idle_timeout_default to 100000 ms instead of MAX_SCHEDULE_TIMEOUT,
and enable timeouts_enabled

Change-Id: I0b4d014dc6f3fc3c365214f7ffad7af054f771b9
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: http://git-master/r/1458178
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

drivers/gpu/nvgpu/gk20a/gr_gk20a.h

@@ -42,6 +42,8 @@
 
 #define GK20A_GR_MAX_PES_PER_GPC 3
 
+#define GK20A_TIMEOUT_FPGA		100000 /* 100 sec */
+
 struct channel_gk20a;
 
 enum /* global_ctx_buffer */ {