framework/st_things: modify Kconfig.
The ST_THINGS_ARTIK_HW_CERT_KEY has been changed to
ST_THINGS_HW_CERT_KEY why It looks like to have a dependency
for board implicitly.
@@ -23,7 +23,7 @@ if ST_THINGS
comment "ST_Things Config Parameters"
-config ST_THINGS_ARTIK_HW_CERT_KEY
+config ST_THINGS_HW_CERT_KEY
bool "Enable Artik H/W Certificate & Key"
depends on ARCH_BOARD_ARTIK05X_FAMILY && ST_THINGS_SECURESTORAGE
default n
