MAINTAINERS: hwspinlock: update git tree location

Update the maintainers file to reflect the move of the hwspinlock tree
to kernel.org

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

MAINTAINERS

@@ -7234,7 +7234,7 @@ M:	Ohad Ben-Cohen <ohad@wizery.com>
 M:	Bjorn Andersson <bjorn.andersson@linaro.org>
 L:	linux-remoteproc@vger.kernel.org
 S:	Maintained
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc.git hwspinlock-next
 F:	Documentation/devicetree/bindings/hwlock/
 F:	Documentation/hwspinlock.txt
 F:	drivers/hwspinlock/