instead of listing drivers one by one, use regex patterns to involve all
SiRF drivers directly.
this also adds sirf UART and watchdog drivers automatically from:
drivers/tty/serial/sirfsoc_uart.*
drivers/watchdog/sirfsoc_wdt.c
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
 F:     drivers/clk/clk-prima2.c
 F:     drivers/clocksource/timer-prima2.c
 F:     drivers/clocksource/timer-marco.c
-F:     drivers/dma/sirf-dma.c
-F:     drivers/i2c/busses/i2c-sirf.c
-F:     drivers/input/misc/sirfsoc-onkey.c
-F:     drivers/irqchip/irq-sirfsoc.c
-F:     drivers/mmc/host/sdhci-sirf.c
-F:     drivers/pinctrl/sirf/
-F:     drivers/rtc/rtc-sirfsoc.c
-F:     drivers/spi/spi-sirf.c
+N:     [^a-z]sirf
 
 ARM/EBSA110 MACHINE SUPPORT
 M:     Russell King <linux@arm.linux.org.uk>