tcp: Set DEFAULT_TCP_CONG to bbr if DEFAULT_BBR is set

Signed-off-by: Julian Wollrath <jwollrath@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/Kconfig

@@ -715,6 +715,7 @@ config DEFAULT_TCP_CONG
 	default "reno" if DEFAULT_RENO
 	default "dctcp" if DEFAULT_DCTCP
 	default "cdg" if DEFAULT_CDG
+	default "bbr" if DEFAULT_BBR
 	default "cubic"
 
 config TCP_MD5SIG