clocksource: CMT, MTU2, TMU and STI should depend on GENERIC_CLOCKEVENTS

If GENERIC_CLOCKEVENTS=n:

drivers/clocksource/sh_cmt.c:54:28: error: field 'ced' has incomplete type
drivers/clocksource/sh_cmt.c: In function 'sh_cmt_interrupt':
drivers/clocksource/sh_cmt.c:407:23: error: 'CLOCK_EVT_MODE_ONESHOT' undeclared (first use in this function)

drivers/clocksource/sh_mtu2.c:44:28: error: field 'ced' has incomplete type
drivers/clocksource/sh_mtu2.c: In function 'ced_to_sh_mtu2':
drivers/clocksource/sh_mtu2.c:184:70: warning: initialization from incompatible pointer type [enabled by default]
drivers/clocksource/sh_mtu2.c: At top level:
drivers/clocksource/sh_mtu2.c:188:16: warning: 'enum clock_event_mode' declared inside parameter list [enabled by default]

drivers/clocksource/sh_tmu.c:45:28: error: field 'ced' has incomplete type
drivers/clocksource/sh_tmu.c: In function 'sh_tmu_interrupt':
drivers/clocksource/sh_tmu.c:207:21: error: 'CLOCK_EVT_MODE_ONESHOT' undeclared (first use in this function)

drivers/clocksource/em_sti.c:44:28: error: field 'ced' has incomplete type
drivers/clocksource/em_sti.c: In function 'ced_to_em_sti':
drivers/clocksource/em_sti.c:251:69: warning: initialization from incompatible pointer type [enabled by default]
drivers/clocksource/em_sti.c: At top level:
drivers/clocksource/em_sti.c:255:16: warning: 'enum clock_event_mode' declared inside parameter list [enabled by default]

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Magnus Damm <damm@opensource.se>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: http://lkml.kernel.org/r/1395324352-9146-1-git-send-email-geert@linux-m68k.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

drivers/clocksource/Kconfig

@@ -155,6 +155,7 @@ config SYS_SUPPORTS_EM_STI
 
 config SH_TIMER_CMT
 	bool "Renesas CMT timer driver" if COMPILE_TEST
+	depends on GENERIC_CLOCKEVENTS
 	default SYS_SUPPORTS_SH_CMT
 	help
 	  This enables build of a clocksource and clockevent driver for
@@ -163,6 +164,7 @@ config SH_TIMER_CMT
 
 config SH_TIMER_MTU2
 	bool "Renesas MTU2 timer driver" if COMPILE_TEST
+	depends on GENERIC_CLOCKEVENTS
 	default SYS_SUPPORTS_SH_MTU2
 	help
 	  This enables build of a clockevent driver for the Multi-Function
@@ -171,6 +173,7 @@ config SH_TIMER_MTU2
 
 config SH_TIMER_TMU
 	bool "Renesas TMU timer driver" if COMPILE_TEST
+	depends on GENERIC_CLOCKEVENTS
 	default SYS_SUPPORTS_SH_TMU
 	help
 	  This enables build of a clocksource and clockevent driver for
@@ -179,6 +182,7 @@ config SH_TIMER_TMU
 
 config EM_TIMER_STI
 	bool "Renesas STI timer driver" if COMPILE_TEST
+	depends on GENERIC_CLOCKEVENTS
 	default SYS_SUPPORTS_EM_STI
 	help
 	  This enables build of a clocksource and clockevent driver for