toolkit: validate arguments after modification is complete

The current toolkit modifies path on MacOS and Linux platforms. Perform
this validation only after the path is modified to allow the script to be
run on Linux and MacOSX without error.

Signed-off-by: Josuah Demangeon <[email protected]>

Author: josuah

toolkit/app-write-mram.py

@@ -294,12 +294,12 @@ def main():
         idx = argList.find("../build/AppTocPackage.bin 0x")
         argList = argList[idx : idx + 37]
 
-    # validate all parameters
-    argList = validateArgList(action, argList.strip(), args.pad)
-
     if sys.platform == "linux" or sys.platform == "darwin":
         argList = argList.replace("../", "")
 
+    # validate all parameters
+    argList = validateArgList(action, argList.strip(), args.pad)
+
     print("[INFO]", action + argList)
 
     if method == "jtag" and not args.erase:  # erase via jtag not yet supported!