src/meta-openembedded:lv-lib-png: Add recipe for LVGL for handling PN…

…G format

Note that this lib will be part of next lvgl release,
meanwhile we build it without touching lvgl default config.

Relate-to: https://git.ostc-eu.org/OSTC/planning/core-os/-/issues/233
Relate-to: lvgl/lvgl#2534
Forwarded: openembedded/meta-openembedded#454
Change-Id: I2e467caae8e70577e5c9a93f92efc6588cf3bfa2
Signed-off-by: Philippe Coval <[email protected]>
Signed-off-by: Khem Raj <[email protected]>