MAINTAINERS: fix my email address

As I'm not working for Texas Instruments anymore,
balbi@ti.com isn't a valid address. I'll be using
balbi@kernel.org at least for the time being.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

MAINTAINERS

@@ -3445,7 +3445,7 @@ S:	Maintained
 F:	drivers/usb/dwc2/
 
 DESIGNWARE USB3 DRD IP DRIVER
-M:	Felipe Balbi <balbi@ti.com>
+M:	Felipe Balbi <balbi@kernel.org>
 L:	linux-usb@vger.kernel.org
 L:	linux-omap@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
@@ -7370,7 +7370,7 @@ F:	drivers/tty/isicom.c
 F:	include/linux/isicom.h
 
 MUSB MULTIPOINT HIGH SPEED DUAL-ROLE CONTROLLER
-M:	Felipe Balbi <balbi@ti.com>
+M:	Felipe Balbi <balbi@kernel.org>
 L:	linux-usb@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
 S:	Maintained
@@ -7939,7 +7939,7 @@ F:	drivers/media/platform/omap3isp/
 F:	drivers/staging/media/omap4iss/
 
 OMAP USB SUPPORT
-M:	Felipe Balbi <balbi@ti.com>
+M:	Felipe Balbi <balbi@kernel.org>
 L:	linux-usb@vger.kernel.org
 L:	linux-omap@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
@@ -11318,7 +11318,7 @@ F:	Documentation/usb/ehci.txt
 F:	drivers/usb/host/ehci*
 
 USB GADGET/PERIPHERAL SUBSYSTEM
-M:	Felipe Balbi <balbi@ti.com>
+M:	Felipe Balbi <balbi@kernel.org>
 L:	linux-usb@vger.kernel.org
 W:	http://www.linux-usb.org/gadget
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
@@ -11394,7 +11394,7 @@ S:	Maintained
 F:	drivers/net/usb/pegasus.*
 
 USB PHY LAYER
-M:	Felipe Balbi <balbi@ti.com>
+M:	Felipe Balbi <balbi@kernel.org>
 L:	linux-usb@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
 S:	Maintained