ARM: omapl138_lcdk: Separate BSS in SPL
In preparation to use full device tree support, SPL can separate
BSS from text region.
This patch enables SPL_SEPARATE_BSS.
Signed-off-by: Adam Ford <aford173@gmail.com>
Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>