drm/sun4i: Realign Makefile padding and reorder it

sun4i-backend-y			+= sun4i_backend.o sun4i_layer.o

sun4i-drm-y			+= sun4i_drv.o

sun4i-drm-y			+= sun4i_framebuffer.o

sun4i-drm-hdmi-y		+= sun4i_hdmi_ddc_clk.o

sun4i-drm-hdmi-y		+= sun4i_hdmi_enc.o

sun4i-drm-hdmi-y		+= sun4i_hdmi_i2c.o

sun4i-drm-hdmi-y += sun4i_hdmi_ddc_clk.o

sun4i-drm-hdmi-y		+= sun4i_hdmi_tmds_clk.o

sun8i-mixer-y			+= sun8i_mixer.o sun8i_layer.o

sun4i-tcon-y			+= sun4i_crtc.o

sun4i-tcon-y			+= sun4i_dotclock.o

sun4i-tcon-y			+= sun4i_tcon.o

sun4i-tcon-y			+= sun4i_rgb.o

sun4i-tcon-y += sun4i_dotclock.o

sun4i-tcon-y += sun4i_crtc.o

sun4i-backend-y += sun4i_backend.o sun4i_layer.o

sun8i-mixer-y += sun8i_mixer.o sun8i_layer.o

obj-$(CONFIG_DRM_SUN4I)		+= sun4i-drm.o sun4i-tcon.o

obj-$(CONFIG_DRM_SUN4I)		+= sun6i_drc.o

obj-$(CONFIG_DRM_SUN4I)		+= sun4i-drm.o

obj-$(CONFIG_DRM_SUN4I)		+= sun4i-tcon.o

obj-$(CONFIG_DRM_SUN4I)		+= sun4i_tv.o

obj-$(CONFIG_DRM_SUN4I)		+= sun6i_drc.o

obj-$(CONFIG_DRM_SUN4I_BACKEND)	+= sun4i-backend.o

obj-$(CONFIG_DRM_SUN4I_HDMI)	+= sun4i-drm-hdmi.o