MAINTAINERS: icc: add interconnect tree

MAINTAINERS entry for ICC is missing the tree details, so add it.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210328171618.2759956-1-vkoul@kernel.orgSigned-off-by: Georgi Djakov <georgi.djakov@linaro.org>

MAINTAINERS

@@ -9283,6 +9283,7 @@ INTERCONNECT API
 M:	Georgi Djakov <djakov@kernel.org>
 L:	linux-pm@vger.kernel.org
 S:	Maintained
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc.git
 F:	Documentation/devicetree/bindings/interconnect/
 F:	Documentation/driver-api/interconnect.rst
 F:	drivers/interconnect/