tx_port.h inline assembly "operand syntax error" on IAR include

[karlyt]

Describe the bug
line 585 of txport.h raises an error message 'operand syntax error' while building the code in IAR.

• target device: cortex-m33
• Which version of Eclipse ThreadX? commit b91b03b
• What toolchain and environment? IAR for arm 9.50.3
• What have you tried to diagnose or workaround this issue? use __DSB() and __ISB() to replace the code

[fdesbiens]

Hi @karlyt.

Thank you for this report. I will look into it.