engicam: Generate single config file

Engicam has several SOM's on i.MX6 stream, where each SOM
has one include/configs/*.h file, this patch generate single
config file for all SOM's include/configs/imx6-engicam.h

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/board/engicam/geam6ul/Kconfig b/board/engicam/geam6ul/Kconfig
index 8753d15..7f4023e 100644
--- a/board/engicam/geam6ul/Kconfig
+++ b/board/engicam/geam6ul/Kconfig
@@ -7,6 +7,6 @@
 	default "engicam"
 
 config SYS_CONFIG_NAME
-	default "imx6ul_geam"
+	default "imx6-engicam"
 
 endif
diff --git a/board/engicam/icorem6/Kconfig b/board/engicam/icorem6/Kconfig
index 6d62f0e..4a1c9ac 100644
--- a/board/engicam/icorem6/Kconfig
+++ b/board/engicam/icorem6/Kconfig
@@ -7,6 +7,6 @@
 	default "engicam"
 
 config SYS_CONFIG_NAME
-	default "imx6qdl_icore"
+	default "imx6-engicam"
 
 endif
diff --git a/board/engicam/icorem6_rqs/Kconfig b/board/engicam/icorem6_rqs/Kconfig
index 1352c68..6dc3a07 100644
--- a/board/engicam/icorem6_rqs/Kconfig
+++ b/board/engicam/icorem6_rqs/Kconfig
@@ -7,6 +7,6 @@
 	default "engicam"
 
 config SYS_CONFIG_NAME
-	default "imx6qdl_icore_rqs"
+	default "imx6-engicam"
 
 endif
diff --git a/board/engicam/isiotmx6ul/Kconfig b/board/engicam/isiotmx6ul/Kconfig
index 213ffad..10c2c50 100644
--- a/board/engicam/isiotmx6ul/Kconfig
+++ b/board/engicam/isiotmx6ul/Kconfig
@@ -7,6 +7,6 @@
 	default "engicam"
 
 config SYS_CONFIG_NAME
-	default "imx6ul_isiot"
+	default "imx6-engicam"
 
 endif