[mellanox] Make mellanox SAI-Implementation as submodule (#2711)

Signed-off-by: Stepan Blyschak <[email protected]>

Author: stepanblyschak

.gitmodules

@@ -62,3 +62,6 @@
 [submodule "src/redis-dump-load"]
 	path = src/redis-dump-load
 	url = https://github.com/p/redis-dump-load.git
+[submodule "platform/mellanox/mlnx-sai/SAI-Implementation"]
+	path = platform/mellanox/mlnx-sai/SAI-Implementation
+	url = https://github.com/Mellanox/SAI-Implementation

platform/mellanox/mlnx-sai.mk

@@ -1,10 +1,8 @@
 # Mellanox SAI
 
-MLNX_SAI_REPO = https://github.com/Mellanox/SAI-Implementation.git
 MLNX_SAI_VERSION = SAIRel1.13.7-master
-MLNX_SAI_REVISION = 52dbd2f5e51cdb538b05f6c2f387b0fccbff9a8e
 
-export MLNX_SAI_REPO MLNX_SAI_VERSION MLNX_SAI_REVISION
+export MLNX_SAI_VERSION
 
 MLNX_SAI = mlnx-sai_1.mlnx.$(MLNX_SAI_VERSION)_amd64.deb
 $(MLNX_SAI)_SRC_PATH = $(PLATFORM_PATH)/mlnx-sai

platform/mellanox/mlnx-sai/Makefile

@@ -5,14 +5,9 @@ SHELL = /bin/bash
 MAIN_TARGET = mlnx-sai_1.mlnx.$(MLNX_SAI_VERSION)_amd64.deb
 
 $(addprefix $(DEST)/, $(MAIN_TARGET)): $(DEST)/% :
-	# get sources
-	rm -rf SAI-Implementation
-	git clone $(MLNX_SAI_REPO) SAI-Implementation 
-
-	# build
 	pushd SAI-Implementation
-	git checkout $(MLNX_SAI_REVISION)
 	pushd mlnx_sai
+
 	chmod a+x autogen.sh
 	debuild -e 'make_extra_flags="DEFS=-DACS_OS"' -us -uc -d -b
 	popd