[source] mac80211: enable brcmfmac's SDIO support on sunxi target

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/1c139d664b2673350c14d4b45e701c894bd39880

commit 1c139d664b2673350c14d4b45e701c894bd39880
Author: Luis Araneda <luaraneda at gmail.com>
AuthorDate: Thu Oct 19 00:18:40 2017 -0300

    mac80211: enable brcmfmac's SDIO support on sunxi target
    
    Needed to support some SDIO connected cards, like AMPAK modules
    
    Signed-off-by: Luis Araneda <luaraneda at gmail.com>
---
 package/kernel/mac80211/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/kernel/mac80211/Makefile b/package/kernel/mac80211/Makefile
index 6ce9930..385bea4 100644
--- a/package/kernel/mac80211/Makefile
+++ b/package/kernel/mac80211/Makefile
@@ -742,6 +742,7 @@ define KernelPackage/brcmfmac/config
 	config BRCMFMAC_SDIO
 		bool "Enable SDIO bus interface support"
 		default y if TARGET_brcm2708
+		default y if TARGET_sunxi
 		default n
 		help
 		  Enable support for cards attached to an SDIO bus.