zmk.bbclass: Fix syntax overrides

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

meta-oniro-core/classes/zmk.bbclass

@@ -7,7 +7,7 @@ inherit autotools
 DEPENDS += "zmk-native"
 EXTRA_OEMAKE += "-I${RECIPE_SYSROOT_NATIVE}/usr/include" 
 
-do_configure_prepend() {
+do_configure:prepend() {
     # Create configure-like script for the autotools bbclass.
     oe_runmake -C ${S} configure
 }