LiteBSD/src 4c8199fsys/mips/conf MEBII.pic32 EMZ64.pic32, sys/mips/include pic32mz.h

Fix bug for EMZ64 and HMZ144 boards: unexpected boot into single user mode.
Button1, which selects single user mode, has been incorrectly cofigured
as analog pin.
DeltaFile
+37-1sys/mips/pic32/machdep.c
+16-0sys/mips/include/pic32mz.h
+2-2sys/mips/conf/MEBII.pic32
+2-0sys/mips/conf/EMZ64.pic32
+57-34 files

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