WHENCE: add missing symlink for NanoPi R1

NanoPi R1 uses the AP6212 Wi-Fi module.

Fixes the below error.

[   20.462895] brcmfmac mmc0:0001:1: firmware: direct-loading firmware
brcm/brcmfmac43430-sdio.bin
[   20.491441] brcmfmac mmc0:0001:1: firmware: failed to load
brcm/brcmfmac43430-sdio.friendlyarm,nanopi-r1.txt (-2)
[   20.511459] brcmfmac mmc0:0001:1: Direct firmware load for
brcm/brcmfmac43430-sdio.friendlyarm,nanopi-r1.txt failed with error -2
[   20.650227] brcmfmac mmc0:0001:1: firmware: failed to load
brcm/brcmfmac43430-sdio.txt (-2)
[   20.658804] brcmfmac mmc0:0001:1: Direct firmware load for
brcm/brcmfmac43430-sdio.txt failed with error -2

Signed-off-by: Vijai Kumar K <vijaikumar.kanagarajan@gmail.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>

WHENCE

@@ -2883,6 +2883,7 @@ Link: brcm/brcmfmac43430-sdio.sinovoip,bpi-m2-plus.txt -> brcmfmac43430-sdio.AP6
 Link: brcm/brcmfmac43430-sdio.sinovoip,bpi-m2-zero.txt -> brcmfmac43430-sdio.AP6212.txt
 Link: brcm/brcmfmac43430-sdio.sinovoip,bpi-m2-ultra.txt -> brcmfmac43430-sdio.AP6212.txt
 Link: brcm/brcmfmac43430-sdio.sinovoip,bpi-m3.txt -> brcmfmac43430-sdio.AP6212.txt
+Link: brcm/brcmfmac43430-sdio.friendlyarm,nanopi-r1.txt -> brcmfmac43430-sdio.AP6212.txt
 File: "brcm/brcmfmac43430-sdio.Hampoo-D2D3_Vi8A1.txt"
 File: "brcm/brcmfmac43430-sdio.MUR1DX.txt"
 File: "brcm/brcmfmac43430-sdio.raspberrypi,3-model-b.txt"