repos.json: rename device: non-gki ginkgo (#1192)

for Xiaomi Redmi Note 8/8T (ginkgo/willow)

assign the correct device name

---------

Signed-off-by: 明 <akariondev@gmail.com>
Signed-off-by: akari <akariondev@gmail.com>

website/docs/repos.json

@@ -529,7 +529,7 @@
         "maintainer_link": "https://github.com/whyakari",
         "kernel_name": "android_kernel_xiaomi_ginkgo",
         "kernel_link": "https://github.com/whyakari/android_kernel_xiaomi_ginkgo",
-        "devices": "non-GKI ginkgo"
+        "devices": "Xiaomi Redmi Note 8/8T (ginkgo/willow)"
     },
     {
         "maintainer": "wulan17",
@@ -587,4 +587,4 @@
         "kernel_link": "https://github.com/picasso09/RMX2189R/tree/c05-ksu",
         "devices": "Realme C11 12 15 (RM6765)"
     }
-]
+]