[EGLNativeTypeAmlogic] Changes to EnableFreeScale() / DisableFreescale() functions
[AMLCodec/EGLNativeTypeAmlogic] Use freescale for 4k2k output
[EGLNativeTypeAmlogic] Change modestr > mode in SetDisplayResolution()
[AMLUtils] Add forgotten changes to aml_mode_to_resolution()
[AMLCodec/EGLNativeTypeAmlogic] Use 1280x720 framebuffer on M1/M3

Meson1 and Meson3 struggle with 1920x1080 framebuffer, It creates considerate lag in GUI and during SW decoding of videos.

To fix upscale 1280x720 framebuffer to requested resolution using freescale

NOTE: This commit relys upon commit 3e3fc621835779f0f630800319543a2b35b6b2cc
[EGLNativeTypeAmlogic] Add 4k support in SetNativeResolution()
[DVDVideoCodecAmlogic] Send MPEG4 SD to software decoder

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
[DVDVideoCodecAmlogic] Allow HW accel of MPEG2

Amcodec handles mpeg2 well using 20140618 kernel-side codec