gpu: nvgpu: remove log_common from fusa build

Remove log_common.c from safety build since it is only used in
linux-specific code.

JIRA NVGPU-4818

Change-Id: Ic7f21617231cdc4f6a15a94d83275bcbe5901a30
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2276025
GVS: Gerrit_Virtual_Submit
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

arch/nvgpu-common.yaml

@@ -72,7 +72,7 @@ ecc:
   deps:
 
 log:
-  safe: yes
+  safe: no
   owner: Vedashree V
   sources: [ common/log_common.c ]
   deps:

drivers/gpu/nvgpu/Makefile.sources

@@ -105,7 +105,6 @@ srcs +=	common/utils/enabled.c \
 	common/fbp/fbp.c \
 	common/io/io.c \
 	common/ecc.c \
-	common/log_common.c \
 	common/falcon/falcon.c \
 	common/falcon/falcon_sw_gk20a.c \
 	common/gr/gr.c \