arch/non-x86: Flip HAVE_MONOTONIC_TIMER default

Also remove allwinner/a10 dummy monotonic_timer
implementation.

Change-Id: I9dfa9b92dc63375465e3bb87b73eeefad601c810
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34112
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/soc/qualcomm/ipq40xx/Kconfig b/src/soc/qualcomm/ipq40xx/Kconfig
index 90744d5..ef80772 100644
--- a/src/soc/qualcomm/ipq40xx/Kconfig
+++ b/src/soc/qualcomm/ipq40xx/Kconfig
@@ -7,10 +7,12 @@
 	select ARCH_RAMSTAGE_ARMV7
 	select HAVE_UART_SPECIAL
 	select GENERIC_GPIO_LIB
-	select HAVE_MONOTONIC_TIMER
 
 if SOC_QC_IPQ40XX
 
+config GENERIC_UDELAY
+	def_bool n
+
 config VBOOT
 	select VBOOT_STARTS_IN_BOOTBLOCK
 	select VBOOT_SEPARATE_VERSTAGE