msm: camera: sensor: enable sensor config flags for qcs615

-- Enable sensor config flags to enable sensor driver
   file compilation for qcs615

CRs-Fixed: 4357131
Change-Id: Ic03d26fd567423fbe3ce63c8bb61e1a17457c65f
Signed-off-by: Vishal Verma <vishverm@qti.qualcomm.com>

Author: vishverm-qli

config/qcs615-camera.mk

@@ -4,12 +4,14 @@ CONFIG_SPECTRA_ISP := y
 CONFIG_SPECTRA_ICP := y
 CONFIG_SPECTRA_JPEG := y
 CONFIG_SPECTRA_LRME := y
+CONFIG_SPECTRA_SENSOR := y
 
 # Flags to pass into C preprocessor
 ccflags-y += -DCONFIG_SPECTRA_ISP=1
 ccflags-y += -DCONFIG_SPECTRA_ICP=1
 ccflags-y += -DCONFIG_SPECTRA_JPEG=1
 ccflags-y += -DCONFIG_SPECTRA_LRME=1
+ccflags-y += -DCONFIG_SPECTRA_SENSOR=1
 
 # External Dependencies
 ifeq ($(CONFIG_QCOM_VA_MINIDUMP), y)