Correct the floating+dsp options for Cortex-M33

As per the IAR Development guide, below options for CPU are valid

1. Cortex-M33
2. Cortex-M33.no_dsp (core without integer DSP extension)
3. Cortex-M33.fp (floating-point unit with support for single precision)
4. Cortex-M33.no_se (core without support for TrustZone)

Author: deepikabhavnani

tools/toolchains/iar.py

@@ -49,7 +49,9 @@ def __init__(self, target, notify=None, macros=None, build_profile=None,
         if target.core == "Cortex-M7F" or target.core == "Cortex-M7FD":
             cpuchoice = "Cortex-M7"
         elif target.core.startswith("Cortex-M33FD"):
-            cpuchoice = "Cortex-M33"
+            cpuchoice = "Cortex-M33.fp"
+        elif target.core.startswith("Cortex-M33F"):
+            cpuchoice = "Cortex-M33.fp.no_dsp"
         elif target.core.startswith("Cortex-M33"):
             cpuchoice = "Cortex-M33.no_dsp"
         elif target.core.startswith("Cortex-M23"):
@@ -77,9 +79,6 @@ def __init__(self, target, notify=None, macros=None, build_profile=None,
         elif target.core == "Cortex-M7F":
             asm_flags_cmd += ["--fpu", "VFPv5_sp"]
             c_flags_cmd.append("--fpu=VFPv5_sp")
-        elif target.core.startswith("Cortex-M33F"):
-            asm_flags_cmd += ["--fpu", "VFPv5_sp"]
-            c_flags_cmd.append("--fpu=VFPv5_sp")
 
         # Create Secure library
         if CORE_ARCH[target.core] == 8 and not target.core.endswith("-NS"):