Fix Assembly build flags

Author: troyhacks

esp32p4/platformio-build.py

@@ -72,11 +72,14 @@
 
 env.Append(
     ASFLAGS=[
-        "-march=rv32imc"
+        "-march=rv32imafc_zicsr_zifencei_xesppie",
+        "-mabi=ilp32f"
     ],
 
     ASPPFLAGS=[
-        "-x", "assembler-with-cpp"
+        "-x", "assembler-with-cpp",
+        "-march=rv32imafc_zicsr_zifencei_xesppie",
+        "-mabi=ilp32f"
     ],
 
     CFLAGS=[