selftests/bpf: Sort config in alphabetic order

Move CONFIG_VSOCKETS up, so the CONFIGs are in alphabetic order.
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20231129234417.856536-5-song@kernel.orgSigned-off-by: Alexei Starovoitov <ast@kernel.org>

tools/testing/selftests/bpf/config

@@ -82,7 +82,7 @@ CONFIG_SECURITY=y
 CONFIG_SECURITYFS=y
 CONFIG_TEST_BPF=m
 CONFIG_USERFAULTFD=y
+CONFIG_VSOCKETS=y
 CONFIG_VXLAN=y
 CONFIG_XDP_SOCKETS=y
 CONFIG_XFRM_INTERFACE=y
-CONFIG_VSOCKETS=y