Refine MTK GIC driver. Remove unused codes. Signed-off-by: kenny liang <kenny.liang@mediatek.com> Change-Id: I39e05ce7aa3c257e237fbc8e661cdde65cbcec7c
Add Mediatek GIC driver to support interrupt functions. Signed-off-by: kenny liang <kenny.liang@mediatek.com> Change-Id: I967a18f2e45b7bbc88c506dd4f1f40a745227ad9