include: uapi: Add QBG UAPI headers

Add UAPI headers for QBG (Qualcomm Battery Gauge).

Change-Id: Iae5ba52ebff9fb4b591065c2bffe15763ab9518a
Signed-off-by: Shyam Kumar Thella <sthella@codeaurora.org>

gen_headers_arm.bp

@@ -477,6 +477,8 @@ gen_headers_out_arm = [
     "linux/qemu_fw_cfg.h",
     "linux/qg-profile.h",
     "linux/qg.h",
+    "linux/qbg-profile.h",
+    "linux/qbg.h",
     "linux/qnx4_fs.h",
     "linux/qnxtypes.h",
     "linux/qrng.h",