Update electrosmith_daisy board config's variant (#813)

Author: EliTayrien

boards/electrosmith_daisy.json

@@ -12,7 +12,7 @@
     },
     "mcu": "stm32h750ibk6",
     "product_line": "STM32H750xx",
-    "variant": "STM32H7xx/H742I(G-I)(K-T)_H743I(G-I)(K-T)_H750IB(K-T)_H753II(K-T)"
+    "variant": "STM32H7xx/H742I(G-I)K_H743I(G-I)K_H750IBK_H753IIK"
   },
   "connectivity": [
     "can"