Convert CONFIG_CMD_BMP to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_BMP

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Add depends on LCD || DM_VIDEO || VIDEO]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/colibri_t20_defconfig b/configs/colibri_t20_defconfig
index 85956c5..5f6114e 100644
--- a/configs/colibri_t20_defconfig
+++ b/configs/colibri_t20_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_CMD_FPGA is not set
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_NFS is not set
+CONFIG_CMD_BMP=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y