MAINTAINERS: Add git tree for NVMEM FRAMEWORK

There is no git tree for NVMEM FRAMEWORK in MAINTAINERS, it is not
convinent to rebase, add it.

Signed-off-by: Tiezhu Yang <[email protected]>
Signed-off-by: Srinivas Kandagatla <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: seehearfeel

MAINTAINERS

@@ -12266,6 +12266,7 @@ F:	drivers/nvme/target/
 NVMEM FRAMEWORK
 M:	Srinivas Kandagatla <[email protected]>
 S:	Maintained
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/srini/nvmem.git
 F:	Documentation/ABI/stable/sysfs-bus-nvmem
 F:	Documentation/devicetree/bindings/nvmem/
 F:	drivers/nvmem/