MAINTAINERS: gpio-brcmstb: Remove stray '>'

There is a stray '>' at the end of the mailing-list specified for the
Broadcom STB GPIO driver, remove that.

Fixes: 3b0213d5 ("gpio: Add GPIO support for Broadcom STB SoCs")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

MAINTAINERS

@@ -2430,7 +2430,7 @@ N:	bcm88312
 
 BROADCOM BRCMSTB GPIO DRIVER
 M:	Gregory Fong <gregory.0xf0@gmail.com>
-L:	bcm-kernel-feedback-list@broadcom.com>
+L:	bcm-kernel-feedback-list@broadcom.com
 S:	Supported
 F:	drivers/gpio/gpio-brcmstb.c
 F:	Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt