[source] ar71xx: Enable RB2011 TTY

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/0d09c7281f5700e01e766926bcc96293ae83ea62

commit 0d09c7281f5700e01e766926bcc96293ae83ea62
Author: Arvid E. Picciani <aep at exys.org>
AuthorDate: Tue Feb 14 12:29:02 2017 +0100

    ar71xx: Enable RB2011 TTY
    
    Enables TTY on the Mikrotik RouterBoard RB2011*R*
    
    Signed-off-by: Arvid E. Picciani <aep at exys.org>
---
 .../ar71xx/patches-4.4/701-MIPS-ath79-add-routerboard-detection.patch  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/target/linux/ar71xx/patches-4.4/701-MIPS-ath79-add-routerboard-detection.patch b/target/linux/ar71xx/patches-4.4/701-MIPS-ath79-add-routerboard-detection.patch
index 660125f..ae65dff 100644
--- a/target/linux/ar71xx/patches-4.4/701-MIPS-ath79-add-routerboard-detection.patch
+++ b/target/linux/ar71xx/patches-4.4/701-MIPS-ath79-add-routerboard-detection.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/prom.c
 +++ b/arch/mips/ath79/prom.c
-@@ -136,6 +136,24 @@ void __init prom_init(void)
+@@ -136,6 +136,25 @@ void __init prom_init(void)
  		initrd_end = initrd_start + fw_getenvl("initrd_size");
  	}
  #endif
@@ -19,6 +19,7 @@
 +	    strstr(arcs_cmdline, "board=953gs") ||
 +	    strstr(arcs_cmdline, "board=map-hb") ||
 +	    strstr(arcs_cmdline, "board=2011L") ||
++	    strstr(arcs_cmdline, "board=2011r") ||
 +	    strstr(arcs_cmdline, "board=711Gr100") ||
 +	    strstr(arcs_cmdline, "board=922gs"))
 +		ath79_prom_append_cmdline("console", "ttyS0,115200");