z5: update from lorenzo

Change-Id: Ic101a48e582a906449fd15a0938737bdece60a0f
zenv: add keymap

Change-Id: I00590b733e3c4e99da6555955cb219786e199e50
stmp3600/3700: add temporary workaround clkctrl bug

Change-Id: I8d0d83b1f907f97173cb8848dd9fbfff63862c30
imx233: simplify dma with a macro

Change-Id: I4d31e9467653a648669c9317322115095207b62e
imx233: fix usb detection on imx233

Change-Id: I9f53bfcf105784333f4c7f089c82774ada2fd285
z5: add nand file

Change-Id: I6f3ddb4ce342d6e3d412d93de48ffd638ca7a630
z5: add code from lorenzo

Change-Id: Ibe3bdd9dddca5c82f5e4ac0ad3d516fb7ca9fd73
fix style

Change-Id: I5f7be57d4b5b876bf84257c7452578e5ff0ea0c8
z5: add keymap

Change-Id: I0449244428ffd3b486254bcd9e2e2953520eaa65
z5: fix lcd

Change-Id: I253a4815cbbbf59861239be79d627a26fe161ead
z5: fix button

Change-Id: I477c895066dfbd4cad4bc6de39ac0a6000f13893
elftosb1: add -jump command

Change-Id: I9f09a95198d53bd7eaf127252dd026b33ddc6c9f