pcf85063a: Drop hardware_rtc.

With datetime_t moved to types there is no need to include this as a dependency.

Author: Gadgetoid

drivers/pcf85063a/pcf85063a.cmake

@@ -1,10 +1,10 @@
-set(DRIVER_NAME pcf85063a)
-add_library(${DRIVER_NAME} INTERFACE)
-
-target_sources(${DRIVER_NAME} INTERFACE
-  ${CMAKE_CURRENT_LIST_DIR}/${DRIVER_NAME}.cpp)
-
-target_include_directories(${DRIVER_NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR})
-
-# Pull in pico libraries that we need
-target_link_libraries(${DRIVER_NAME} INTERFACE pico_stdlib hardware_i2c hardware_rtc pimoroni_i2c)
+set(DRIVER_NAME pcf85063a)
+add_library(${DRIVER_NAME} INTERFACE)
+
+target_sources(${DRIVER_NAME} INTERFACE
+  ${CMAKE_CURRENT_LIST_DIR}/${DRIVER_NAME}.cpp)
+
+target_include_directories(${DRIVER_NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR})
+
+# Pull in pico libraries that we need
+target_link_libraries(${DRIVER_NAME} INTERFACE pico_stdlib hardware_i2c pimoroni_i2c)