Revert "mali: aumentado a 32 MB OS_MEMORY_KERNEL_BUFFER_SIZE_IN_MB"

This reverts commit a78ac194d7522282f103e1120d23bb9c7a34ddad.
mali: aumentado a 24 MB OS_MEMORY_KERNEL_BUFFER_SIZE_IN_MB y a 128 CONFIG_MALI_MEM_SIZE