lmb: move MAX_LMB_REGIONS value in Kconfig

Move MAX_LMB_REGIONS value in Kconfig, the max number of the regions
in lmb library.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/lib/Kconfig b/lib/Kconfig
index b7df9eb..e46c51f 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -439,7 +439,7 @@
 	  is included. The LZ4 algorithm can run in-place as long as the
 	  compressed image is loaded to the end of the output buffer, and
 	  trades lower compression ratios for much faster decompression.
-	  
+
 	  NOTE: This implements the release version of the LZ4 frame
 	  format as generated by default by the 'lz4' command line tool.
 	  This is not the same as the outdated, less efficient legacy
@@ -707,6 +707,14 @@
 	help
 	  Support the library logical memory blocks.
 
+
+config LMB_MAX_REGIONS
+	int "Number of memory and reserved regions in lmb lib"
+	depends on LMB
+	default 8
+	help
+	  Define the number of supported regions, memory and reserved, in the
+	  library logical memory blocks.
 endmenu
 
 config PHANDLE_CHECK_SEQ