clocksource/drivers/timer-oxnas-rps: Remove obsolete timer driver

Due to lack of maintenance and stall of development for a few years now,
and since no new features will ever be added upstream, remove support
for OX810 and OX820 timer.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230630-topic-oxnas-upstream-remove-v2-3-fb6ab3dea87c@linaro.org

Author: superna9999

drivers/clocksource/Kconfig

@@ -461,13 +461,6 @@ config VF_PIT_TIMER
 	help
 	  Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs.
 
-config OXNAS_RPS_TIMER
-	bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
-	select TIMER_OF
-	select CLKSRC_MMIO
-	help
-	  This enables support for the Oxford Semiconductor OXNAS RPS timers.
-
 config SYS_SUPPORTS_SH_CMT
 	bool
 

drivers/clocksource/Makefile

@@ -54,7 +54,6 @@ obj-$(CONFIG_MTK_TIMER)		+= timer-mediatek.o
 obj-$(CONFIG_MTK_CPUX_TIMER)	+= timer-mediatek-cpux.o
 obj-$(CONFIG_CLKSRC_PISTACHIO)	+= timer-pistachio.o
 obj-$(CONFIG_CLKSRC_TI_32K)	+= timer-ti-32k.o
-obj-$(CONFIG_OXNAS_RPS_TIMER)	+= timer-oxnas-rps.o
 obj-$(CONFIG_OWL_TIMER)		+= timer-owl.o
 obj-$(CONFIG_MILBEAUT_TIMER)	+= timer-milbeaut.o
 obj-$(CONFIG_SPRD_TIMER)	+= timer-sprd.o