Initial defconfig for GT-I8730 (Galaxy Express)

Change-Id: I778d75b1b6bfbc89781d7a24a1e8fa8fc19aade1
loganre: Board updates

 * Fix reservation logic for ADSP heap
 * Add sleep status device

Change-Id: I9a3a39cfabb26234b9559e625443d8604f5579ec