common: Kconfig: Fix CMD_BMP/BMP dependency

Using `default y` will not select BMP when CMD_BMP has been enabled, if
it was already configured.

By using `select`, if `CMD_BMP` is turned on, it will force the presence
of `BMP`.

Fixes: 072b0e16c4 ("common: Kconfig: Add BMP configs")
Signed-off-by: Samuel Dionne-Riel <samuel@dionne-riel.com>
Signed-off-by: Nikhil M Jain <n-jain1@ti.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index ecfd575..2d6e5f9 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -2005,6 +2005,7 @@
 config CMD_BMP
 	bool "Enable 'bmp' command"
 	depends on VIDEO
+	select BMP
 	help
 	  This provides a way to obtain information about a BMP-format image
 	  and to display it. BMP (which presumably stands for BitMaP) is a
diff --git a/common/Kconfig b/common/Kconfig
index f5ad63c..973482f 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -1167,7 +1167,6 @@
 
 config BMP
 	bool "Enable bmp image display"
-	default y if CMD_BMP
 	help
 	  Enable bmp functions to display bmp image and get bmp info.