Add toolchain support for hifi1 and hifi4 cores on imxrt700 #800
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The i.MX RT700 features up to five computing cores designed to power smart AI-enabled edge devices such as wearables, consumer medical, smart home and HMI devices.
Its Compute Subsystem includes a primary Arm® Cortex®-M33 running at 325 MHz and Cadence® Tensilica® HiFi 4 DSP for more DSP and audio processing. An ultra-low power Sense Subsystem includes a second Arm Cortex-M33 and Cadence Tensilica HiFi 1 DSP.
This Pull Request adds toolchain support for hifi1 and hifi4 DSP cores.
https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/i-mx-rt-crossover-mcus/i-mx-rt700-crossover-mcu-with-arm-cortex-m33-npu-dsp-and-gpu-cores:i.MX-RT700?tid=vanimxrt700