gpu: nvgpu: move sources to sec2 ipc element

SEC2 command, message, queues, sequences are part of SEC2's
infrastructure for IPC. Create common/sec2/ipc folder and
move all these sources there.

JIRA NVGPU-2075

Change-Id: Id6d7a31422fae835ec669c8ea48b3f63b9dffe24
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2085756
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

drivers/gpu/nvgpu/Makefile

@@ -451,11 +451,11 @@ nvgpu-y += \
 	common/init/hal_init.o \
 	common/sec2/sec2.o \
 	common/sec2/sec2_allocator.o \
-	common/sec2/sec2_cmd.o \
 	common/sec2/sec2_lsfm.o \
-	common/sec2/sec2_msg.o \
-	common/sec2/sec2_queue.o \
-	common/sec2/sec2_seq.o \
+	common/sec2/ipc/sec2_cmd.o \
+	common/sec2/ipc/sec2_msg.o \
+	common/sec2/ipc/sec2_queue.o \
+	common/sec2/ipc/sec2_seq.o \
 	common/io/io.o \
 	common/power_features/power_features.o \
 	common/power_features/cg/cg.o \

drivers/gpu/nvgpu/Makefile.sources

@@ -161,11 +161,11 @@ srcs += common/sim.c \
 	common/acr/acr_sw_tu104.c \
 	common/sec2/sec2.c \
 	common/sec2/sec2_allocator.c \
-	common/sec2/sec2_cmd.c \
 	common/sec2/sec2_lsfm.c \
-	common/sec2/sec2_msg.c \
-	common/sec2/sec2_queue.c \
-	common/sec2/sec2_seq.c \
+	common/sec2/ipc/sec2_cmd.c \
+	common/sec2/ipc/sec2_msg.c \
+	common/sec2/ipc/sec2_queue.c \
+	common/sec2/ipc/sec2_seq.c \
 	common/ptimer/ptimer.c \
 	common/sync/channel_sync.c \
 	common/sync/channel_sync_syncpt.c \