Fix assert condition

code/espurna/light.ino

@@ -68,7 +68,7 @@ const char _light_channel_desc[5][5] PROGMEM = {
     {'R', 'G', 'B', 'W',   0},
     {'R', 'G', 'B', 'W', 'C'}
 };
-static_assert((LIGHT_CHANNELS * LIGHT_CHANNELS) == (sizeof(_light_channel_desc)), "Out-of-bounds array access");
+static_assert((LIGHT_CHANNELS * LIGHT_CHANNELS) <= (sizeof(_light_channel_desc)), "Out-of-bounds array access");
 
 // Gamma Correction lookup table (8 bit)
 const unsigned char _light_gamma_table[] PROGMEM = {