adobe_coeff: Canon EOS 90D support

Author: cytrinox

src/external/adobe_coeff.c

@@ -46,6 +46,7 @@ static void dt_dcraw_adobe_coeff(const char *name, float cam_xyz[1][12])
     { "Canon EOS 70D", { 7034,-804,-1014,-4420,12564,2058,-851,1994,5758 } },
     { "Canon EOS 77D", { 7377,-742,-998,-4235,11981,2549,-673,1918,5538 } },
     { "Canon EOS 80D", { 7457,-671,-937,-4849,12495,2643,-1213,2354,5492 } },
+    { "Canon EOS 90D", { 11498,-3759,-1516,-5073,12954,2349,-892,1867,6118 } },
     { "Canon EOS 100D", { 6602,-841,-939,-4472,12458,2247,-975,2039,6148 } },
     { "Canon EOS 200D", { 7377,-742,-998,-4235,11981,2549,-673,1918,5538 } },
     { "Canon EOS 300D", { 8197,-2000,-1118,-6714,14335,2592,-2536,3178,8266 } },