checkpatch: change default kconfig help length warns

Added default value for min-conf-desc-length = 1 for kconfig help.

Jira: ZEP-303
Change-Id: Ieab66a5cb76e2ab8dea4e80b056600173c333c01
Signed-off-by: Javier B Perez <javier.b.perez.hernandez@intel.com>
diff --git a/.checkpatch.conf b/.checkpatch.conf
index 09fe74e..e57397d 100644
--- a/.checkpatch.conf
+++ b/.checkpatch.conf
@@ -4,6 +4,7 @@
 --summary-file
 --show-types
 --max-line-length=100
+--min-conf-desc-length=1
 
 --ignore BRACES
 --ignore PRINTK_WITHOUT_KERN_LEVEL