scripts: use project root directory instead of relative path

Use the SOF project root directory in get_abi.sh to read the
ABI macros instead of using the relative path.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>

Author: ranj063

tools/topology/CMakeLists.txt

@@ -7,7 +7,7 @@ file(GLOB TPLG_DEPS
 )
 
 add_custom_target(abi
-	COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/get_abi.sh
+	COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/get_abi.sh ${SOF_ROOT_SOURCE_DIRECTORY}
 	DEPENDS ${TPLG_DEPS}
 	WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
 	VERBATIM

tools/topology/get_abi.sh

@@ -1,6 +1,6 @@
-MAJOR=`grep '#define SOF_ABI_MAJOR ' ../../../src/include/uapi/abi.h | grep -E ".[[:digit:]]$" -o`
-MINOR=`grep '#define SOF_ABI_MINOR ' ../../../src/include/uapi/abi.h | grep -E ".[[:digit:]]$" -o`
-PATCH=`grep '#define SOF_ABI_PATCH ' ../../../src/include/uapi/abi.h | grep -E ".[[:digit:]]$" -o`
+MAJOR=`grep '#define SOF_ABI_MAJOR ' $1/src/include/uapi/abi.h | grep -E ".[[:digit:]]$" -o`
+MINOR=`grep '#define SOF_ABI_MINOR ' $1/src/include/uapi/abi.h | grep -E ".[[:digit:]]$" -o`
+PATCH=`grep '#define SOF_ABI_PATCH ' $1/src/include/uapi/abi.h | grep -E ".[[:digit:]]$" -o`
 printf "define(\`SOF_ABI_MAJOR', \`0x%02x')\n" $MAJOR > abi.h
 printf "define(\`SOF_ABI_MINOR', \`0x%02x')\n" $MINOR >> abi.h
 printf "define(\`SOF_ABI_PATCH', \`0x%02x')\n" $PATCH >> abi.h