DEVELOPERS: re-add entries for imx8mmpico_defconfig

These entries should not have been removed by commit
61d04a0a738dd10bb2dd96a2e28ff3fd15e03476 ("configs/imx8mpico: remove
defconfig").

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1755,6 +1755,8 @@ F:	package/paho-mqtt-c
 N:	Julien Olivain <ju.o@free.fr>
 F:	board/qemu/riscv64-virt-efi/
 F:	board/spike/
+F:	board/technexion/imx8mmpico/
+F:	configs/imx8mmpico_defconfig
 F:	configs/qemu_riscv64_virt_efi_defconfig
 F:	configs/spike_riscv32_defconfig
 F:	configs/spike_riscv64_defconfig