Add RISC-V icon (#8778)

_data/simple-icons.json

@@ -10107,6 +10107,12 @@
             "source": "https://www.ripple.com/media-kit/",
             "guidelines": "https://brand.ripple.com/article/brand-policy"
         },
+        {
+            "title": "RISC-V",
+            "hex": "283272",
+            "source": "https://riscv.org/risc-v-logo/",
+            "guidelines": "https://riscv.org/about/risc-v-branding-guidelines/"
+        },
         {
             "title": "Riseup",
             "hex": "FF0000",

icons/riscv.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>RISC-V</title><path d="M6.94945.05132h16.9479v6.2099l-10.42482 14.7424-.52374.73429-5.7888-6.84154c4.10309-.73955 6.2099-3.89648 6.2099-7.37054 0-3.47539-2.10681-7.0534-6.42044-7.4745zM1.47516 13.42121l8.73912 10.52747H0V3.4188h5.47428c2.94506 0 4.42154 1.9989 4.42154 4.10703 0 2.1068-1.47648 4.20967-4.42154 4.20967H1.47516v1.6857zm14.0693 10.52747H24V12.1566l-7.68505 10.73802-.77048 1.05406z"/></svg>