MAINTAINERS: Update sirf patterns

commit 3370dc91 ("pinctrl:sirf:re-arch and add support for
new SiRFatlas6 SoC") moved the files, update the patterns.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Barry Song <21cnbao@gmail.com>
cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

MAINTAINERS

@@ -813,7 +813,7 @@ F:	arch/arm/mach-prima2/
 F:	drivers/dma/sirf-dma.c
 F:	drivers/i2c/busses/i2c-sirf.c
 F:	drivers/mmc/host/sdhci-sirf.c
-F:	drivers/pinctrl/pinctrl-sirf.c
+F:	drivers/pinctrl/sirf/
 F:	drivers/spi/spi-sirf.c
 
 ARM/EBSA110 MACHINE SUPPORT