fbtft: add screen notification overlay

Signed-off-by: Vincent-FK <vincent.buso@funkey-project.com>

Author: Vincent-FK

drivers/staging/fbtft/Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # Core module
 obj-$(CONFIG_FB_TFT)             += fbtft.o
-fbtft-y                          += fbtft-core.o fbtft-sysfs.o fbtft-bus.o fbtft-io.o
+fbtft-y                          += fbtft-core.o fbtft-sysfs.o fbtft-bus.o fbtft-io.o fb_text.o
 
 # drivers
 obj-$(CONFIG_FB_TFT_AGM1264K_FL) += fb_agm1264k-fl.o