fpga: Updates for 4.10

These are:
 * Add git url to MAINTAINERS
 * Allow write_init to specify how much buffer it needs
 * Fixes for ISR state in zynq fpga manager driver
 * Other small fixes for zynq
 * Add Altera SoCFPGA drivers for COMPILE_TEST
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iQIcBAABAgAGBQJYPfiYAAoJENTMLwuu3eSiBBoQALoRFIn4g+t77TdeX3ai/mai
6p3csgxxz5u2Yv5Teb++yppumpVLnn4y2cLxiCbdEtnKzIhf6q8EVbS5go+q8fAC
83trWl1T++SPwsMWoOQCCCydhWufecEAz0G5GpSL8eOhqDPSQRK988FO/b+NjeHv
FnQRL7DkDJByyCuv7+dSxJ4pHfLfHXntq+MnH96BlZUhPcA42PvhztQo831d8Zem
vSzob/dqLHb8VWXfckMveqIniZ43bf/VPBIOD/bF5UDQjNl7tgOq4tm2/NFyjebT
URyJc1zKFucDaHBeLfo6mqZSYWYWSmYPXcCG6rH1mgdzJxa9lIU0hzqOxPh3dhIA
ZH8MfsAhoEX+h5eP+hWqAwQ2tbswJEaGvtzuB0DRrf3YGdYlj5lu6G6eA7PKbaVN
DD+jaHcOoKZFaYowT17jp9SiSOUllL2bP1VH1LclQFPzdUUiwfVegQl8cmjIAjiV
plvFg7VDfYz3U7cvLT/O7WlN2AIozsymeJZ6uogxZEE1YZYm671X7efYmo+2yism
ttMqXAOPifDyyyWOKiyn2yyVYCXz3Hp+AJVIIZtHZvSCgLTZMRYsN5skBzavnimS
79Ay4KGEr4Zj1gZr2sqUBqjs/mKTm3zzxeqm+gZYjYhTH9ADhtl+OviH3BDqQPhu
Q4y8GiBxA8MY/9Yzt3wl
=n+ZG
-----END PGP SIGNATURE-----