CMSIS-NN: Replace arm_status with arm_cmsis_nn_status struct (#1480)
Replaces ARM_MATH_SIZE_MISMATCH with ARM_CMSIS_NN_ARG_ERROR.
Replaces ARM_MATH_SUCCESS with ARM_CMSIS_NN_SUCCESS.
Replaces ARM_MATH_ARGUMENT_ERROR with ARM_CMSIS_NN_ARG_ERROR.
diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index 053c304..c9f1d3f 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -10,6 +10,8 @@
<releases>
<release version="5.9.1">
Active development ...
+ CMSIS-NN: 4.0.0 (see revision history for details)
+ - Changed return types of all API's
</release>
<release version="5.9.0" date="2022-05-02">
CMSIS-Core(M): 5.6.0