configs: meson64_android: don't set console bootargs

The console bootargs are already set from the kernel commandline.
On Android, this is done in yukawa at [1]

Don't set it in the bootloader since it's overridden by the kernel anyways.

[1] https://android-review.googlesource.com/c/device/amlogic/yukawa/+/1112994


Signed-off-by: Guillaume La Roque <mkorpershoek@baylibre.com>
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>