hikey960: Switch to bootcontrol 1.2

Refered to the change for cuttlefish[1].

Fixed the dist build error reported like the following:
    23:45:48 ERROR: files are incompatible: android.hardware.boot@1.1::IBootControl/default is deprecated; requires at least 1.2
    23:45:48 android.hardware.boot@1.1::IBootControl/default is deprecated; requires at least 1.2
    23:45:48 android.hardware.boot@1.1::IBootControl/default is deprecated; requires at least 1.2: Success
    23:45:48 INCOMPATIBLE

Test: dist and droid build finished successfully,
      boot to homescreen
      console:/ # getprop init.svc.vendor.boot-hal-1-2
      running
      console:/ #
      VtsHalBootV1_0TargetTest
      VtsHalBootV1_1TargetTest
      VtsHalBootV1_2TargetTest
      boot with the system image from build#8737717[2]

[1]: https://android-review.googlesource.com/c/device/google/cuttlefish/+/1514958
[2]: https://ci.android.com/builds/submitted/8737717/aosp_arm64-userdebug/latest

Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
Change-Id: Iffdeb8510c52764423166b5dc7168c7438260257
diff --git a/hikey960/device-hikey960.mk b/hikey960/device-hikey960.mk
index 1f307a0..b4d43b3 100644
--- a/hikey960/device-hikey960.mk
+++ b/hikey960/device-hikey960.mk
@@ -26,9 +26,9 @@
 
 # BootControl HAL
 PRODUCT_PACKAGES += \
-    android.hardware.boot@1.1-impl \
-    android.hardware.boot@1.1-impl.recovery \
-    android.hardware.boot@1.1-service
+    android.hardware.boot@1.2-impl \
+    android.hardware.boot@1.2-impl.recovery \
+    android.hardware.boot@1.2-service
 
 PRODUCT_COPY_FILES +=	$(TARGET_PREBUILT_KERNEL):kernel \
 			$(TARGET_PREBUILT_DTB):hi3660-hikey960.dtb