MAINTAINERS: Fix Zynq/ZynqMP and Microblaze fragments

Fix my fragments to list all files in the repo.

Also fix path to for Xilinx Zynq SoC (mach-zynq)
It should be the part of
"ARM: zynq: move SoC sources to mach-zynq"
(sha1: 0107f24036)

And cover dts files in board MAINTAINERS files.

Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

board/xilinx/zynq/MAINTAINERS

@@ -1,6 +1,7 @@
 ZYNQ BOARD
 M:	Michal Simek <monstr@monstr.eu>
 S:	Maintained
+F:	arch/arm/dts/zynq-*
 F:	board/xilinx/zynq/
 F:	include/configs/zynq*.h
 F:	configs/zynq_*_defconfig

board/xilinx/zynqmp/MAINTAINERS

@@ -1,6 +1,7 @@
 XILINX_ZYNQMP BOARDS
 M:	Michal Simek <michal.simek@xilinx.com>
 S:	Maintained
+F:	arch/arm/dts/zynqmp-*
 F:	board/xilinx/zynqmp/
 F:	include/configs/xilinx_zynqmp*
 F:	configs/xilinx_zynqmp*