Add Makefile support for DataIPA Driver

This change adds dummy Makefile support to compile
display driver project along with base kernel.

Signed-off-by: Arnav Sharma <arnav_s@codeaurora.org>

Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+ccflags-y := -Wno-unused-function
+obj-y := dataipa.o

ipa.c

@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+static void _dataipa_techpack_stub(void)
+{
+}