generic: filter out more rust related symbols

More rust symbols that are detected using scripts or based on the rust
version have been added. Filter them out.

Signed-off-by: Stijn Tintel <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/21554
Signed-off-by: Robert Marko <[email protected]>

target/linux/generic/config-filter

@@ -17,8 +17,10 @@ CONFIG_PAHOLE_HAS_LANG_EXCLUDE=.*
 CONFIG_PAHOLE_HAS_SPLIT_BTF=.*
 CONFIG_PAHOLE_VERSION=.*
 CONFIG_PLUGIN_HOSTCC=".*"
+CONFIG_RUSTC_HAS_UNNECESSARY_TRANSMUTES=.*
 CONFIG_RUSTC_LLVM_VERSION=.*
 CONFIG_RUSTC_SUPPORTS_.*=.*
 CONFIG_RUSTC_VERSION=.*
+CONFIG_RUST_IS_AVAILABLE=.*
 # CONFIG_SET_FS is not set
 # CONFIG_TASKS_.* is not set