ARM: multi_v7_defconfig: enable STMicroelectronics HVA driver

Enable HVA (Hardware Video Accelerator) video encoder
driver for STMicroelectronics SoC.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>

arch/arm/configs/multi_v7_defconfig

@@ -561,6 +561,7 @@ CONFIG_V4L_MEM2MEM_DRIVERS=y
 CONFIG_VIDEO_SAMSUNG_S5P_JPEG=m
 CONFIG_VIDEO_SAMSUNG_S5P_MFC=m
 CONFIG_VIDEO_STI_BDISP=m
+CONFIG_VIDEO_STI_HVA=m
 CONFIG_VIDEO_RENESAS_JPU=m
 CONFIG_VIDEO_RENESAS_VSP1=m
 CONFIG_V4L_TEST_DRIVERS=y