cli: bootlinux: fix tree and ref conditions

Current bootlinux conditions to enable custom linux trees and refs do
not allow users to set the tree reference without specifying a tree.
Allow users to just set the tree reference.

Signed-off-by: Daniel Gomez <[email protected]>

Author: dagomez137

workflows/linux/Kconfig

@@ -113,8 +113,8 @@ endif # BOOTLINUX_9P
 
 choice
 	prompt "Type of development version of Linux to use"
-	default BOOTLINUX_LINUS if !BOOTLINUX_TREE_SET_BY_CLI
-	default BOOTLINUX_CUSTOM if BOOTLINUX_TREE_SET_BY_CLI
+	default BOOTLINUX_LINUS if !BOOTLINUX_TREE_SET_BY_CLI && !BOOTLINUX_TREE_REF_SET_BY_CLI
+	default BOOTLINUX_CUSTOM if BOOTLINUX_TREE_SET_BY_CLI || BOOTLINUX_TREE_REF_SET_BY_CLI
 
 config BOOTLINUX_LINUS
 	bool "Linux releases based on Linus' tree"