libexternal: Support VESA format

Add support for VESA formats with pixel clock
at 65MHz. This change helps verify support
for formats corresponding to 65MHz in the
HDMI/MHL driver by using 1024x768p604:3 resolution.

Change-Id: I28b4adcfced7e8bfe7b75c534f5b15c25138ef7f
1 file changed