[ion] support get ion total size [fb_ili9341]fb_ili9341 bring up Change-Id: I41cf49172640923ebc64947cbc9a23cad3d05a46
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626