lib: Kconfig: Move DYNAMIC_CRC_TABLE to Kconfig

Add CONFIG prefix to DYNAMIC_CRC_TABLE and implement it in
Kconfig.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
diff --git a/lib/Kconfig b/lib/Kconfig
index 5178e86..4fd41c4 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -15,6 +15,12 @@
 
 	  If unsure, say N.
 
+config DYNAMIC_CRC_TABLE
+	bool "Enable Dynamic tables for CRC"
+	help
+	  Enable this option to calculate entries for CRC tables at runtime.
+	  This can be helpful when reducing the size of the build image
+
 config HAVE_PRIVATE_LIBGCC
 	bool