add parameter-buildroot-NVR-128M.txt,
config RK_ROOTFS_TYPE=squashfs and RK_OEM_DIR=oem_nvr and RK_USERDATA_DIR=userdata_empty and RK_CFG_RECOVERY=rockchip_rk356x_nvr_recovery to reduce space consumption
Change-Id: I1f05e65d5230b19f1245d6321e91337e0d5fdc41