powerpc/configs/64s: Enable SELINUX

Fedora, CentOS, RHEL & SUSE all enable it.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230414132415.821564-17-mpe@ellerman.id.au

arch/powerpc/configs/ppc64_defconfig

@@ -358,6 +358,9 @@ CONFIG_NLS_ASCII=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_NLS_UTF8=y
 CONFIG_SECURITY=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_SECURITY_SELINUX=y
+CONFIG_SECURITY_SELINUX_BOOTPARAM=y
 CONFIG_SECURITY_YAMA=y
 CONFIG_SECURITY_LOCKDOWN_LSM=y
 CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y