boards: microchip: mec15xxevb_assy6885: Remove kernel timer kconfig logic

Kconfig logic for kernel timer configuration and selection has been
moved to the soc layer.

Signed-off-by: Scott Worley <scott.worley@microchip.com>

Author: scottwcpg

boards/microchip/mec15xxevb_assy6853/Kconfig.defconfig

@@ -7,33 +7,4 @@ config ESPI_XEC
 	default y
 	depends on ESPI
 
-if RTOS_TIMER
-
-# XEC RTOS timer HW frequency is fixed at 32768
-# The driver requires tickless mode and ticks per
-# second to be 32768 for accurate operation.
-
-config SYS_CLOCK_HW_CYCLES_PER_SEC
-	default 32768
-
-config SYS_CLOCK_TICKS_PER_SEC
-	default 32768
-
-endif # RTOS_TIMER
-
-if !RTOS_TIMER
-
-# If RTOS timer is not enabled we use ARM Cortex-M
-# SYSTICK. SYSTICK frequency is 48MHz divided by
-# SOC_MEC1501_PROC_CLK_DIV.
-#
-
-config SYS_CLOCK_HW_CYCLES_PER_SEC
-	default 48000000
-
-config SYS_CLOCK_TICKS_PER_SEC
-	default 1000
-
-endif # RTOS_TIMER
-
 endif # BOARD_MEC15XXEVB_ASSY6853

boards/microchip/mec15xxevb_assy6853/mec15xxevb_assy6853_defconfig

@@ -5,7 +5,6 @@
 #
 
 CONFIG_SOC_MEC1501_VTR3_1_8V=y
-CONFIG_RTOS_TIMER=y
 
 CONFIG_CLOCK_CONTROL=y
 CONFIG_CONSOLE=y