gpu: nvgpu: libfalcon_utf for host makefiles

Accessing falcon_utf objects from another directory
introduces build dependencies and also stale .o files
could be used. Fix this by generating a shared library:
libfalcon_utf.so for falcon.

JIRA NVGPU-2159

Change-Id: I510accbee2cddcf5c130f55bc993a393d90a802b
Signed-off-by: Divya Singhatwaria <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2154158
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

userspace/Makefile.sources

@@ -69,6 +69,7 @@ UNITS :=				\
 	$(UNIT_SRC)/fifo/tsg		\
 	$(UNIT_SRC)/list		\
 	$(UNIT_SRC)/enabled		\
+	$(UNIT_SRC)/falcon		\
 	$(UNIT_SRC)/falcon/falcon
 
 ifeq ($(CONFIG_NVGPU_HAL_NON_FUSA),1)

userspace/units/falcon/Makefile

@@ -0,0 +1,27 @@
+# Copyright (c) 2019, NVIDIA CORPORATION.  All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+.SUFFIXES:
+
+OBJS   = falcon_utf.o
+
+MODULE = falcon_utf
+
+include ../Makefile.units

userspace/units/falcon/falcon/Makefile

@@ -20,8 +20,14 @@
 
 .SUFFIXES:
 
-OBJS   = ../falcon_utf.o \
-	 falcon.o
+OBJS   = falcon.o
 MODULE = falcon
 
+LIB_PATHS += -lfalcon_utf
+
 include ../../Makefile.units
+
+lib$(MODULE).so: falcon_utf
+
+falcon_utf:
+	$(MAKE) -C ..