SAMA5 HSMCI: Correct multi-block DMA setup; Fixes related to DMA timeout.  Still problems with HSMCI DMA via XDMAC

SAMA4D5 HSMCI: Set burst size to 1, sample DMA registers on timeout, and don't return from transfer until BOTH the HSMCI transfer and DMA complete

Framework for a WM8904 audio driver.  The initial driver check-in is simply Ken Pettit's VS1053 driver forced to compile with only WM8904 definitions

SAMA5D4-EK NxWM Configuration:  Increase number of preallocated watchdogs and don't save child status (it is not being reaped)

NxWM: Increase default priority of mouse and keyboard listener threads. Does not seem to make any difference but still seems like a good idea

graphics/nxconsole/nxcon_scroll.c:  Fix scrolling in the NxConsole for the case of the framebuffer device.  In this case, the logic for clearing the vacated region at the bottom was missing so garbage up from the last, uncleared line

NxWidgets::CGlyphSliderHorizontal: No longer uses a hard-coded slider height; the slider height is now provided as a parameter, replacing the widget height which is now calculated from the glip image height

Rename CONFIG_NX_MOUSE to CONFIG_NX_INPUT, then add CONFIG_NX_XYINPUT_MOUSE and CONFIG_XYINPUT_TOUCHSCREEN