generic: rename SECCOMP config option

This setting was renamed in OpenWrt.

Link: https://github.com/openwrt/openwrt/commit/a48ec449ccab0069e84a72837bf06ba543e53aec



Signed-off-by: David Bauer <mail@david-bauer.net>

targets/generic

@@ -70,7 +70,7 @@ config('KERNEL_IP_MROUTE', false)
 config('KERNEL_IPV6_MROUTE', false)
 config('KERNEL_IPV6_SEG6_LWTUNNEL', false)
 config('KERNEL_SWAP', false)
-config('SECCOMP', false)
+config('USE_SECCOMP', false)
 config('KERNEL_SECCOMP', false)
 -- kmod-mt7915e pulls in CONFIG_KERNEL_RELAY
 -- use try_config, so enabling the package is still possible