cradle: add hall ic driver

support hall ic (BU52031NVX) for cradle

Change-Id: I1de44a0c1d5ab1359fc1a02eb674b08be8590100
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index a4a07ac..9b55cd4 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -73,3 +73,4 @@
 obj-$(CONFIG_QSEECOM) += qseecom.o
 obj-$(CONFIG_QFP_FUSE) += qfp_fuse.o
 obj-y += tspdrv/
+obj-$(CONFIG_BU52031NVX) += pm8xxx-cradle.o