ARM: at91: remove dependency for Atmel PWM driver selector in Kconfig

Remove dependency line which was not including the SAM9G45.

[arnd: added dependency on HAVE_CLK to avoid breaking other machines]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 2d6423c..166d149 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -63,7 +63,7 @@
 
 config ATMEL_PWM
 	tristate "Atmel AT32/AT91 PWM support"
-	depends on AVR32 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9
+	depends on HAVE_CLK
 	help
 	  This option enables device driver support for the PWM channels
 	  on certain Atmel processors.  Pulse Width Modulation is used for