drivers: udc: mcux: ehci: enable the cache maintenance

MCUX ehci controller driver support cache maintenance if
USB_DEVICE_CONFIG_BUFFER_PROPERTY_CACHEABLE is enabled.
Enable USB_DEVICE_CONFIG_BUFFER_PROPERTY_CACHEABLE if
CONFIG_UDC_BUF_FORCE_NOCACHE is false and CONFIG_NOCACHE_MEMORY
is true.

Signed-off-by: Mark Wang <[email protected]>

Author: MarkWangChinese

modules/hal_nxp/usb/usb_device_config.h

@@ -101,6 +101,12 @@ BUILD_ASSERT(NUM_INSTS <= 1, "Only one USB device supported");
 #if ((defined(USB_DEVICE_CONFIG_EHCI)) && (USB_DEVICE_CONFIG_EHCI > 0U))
 /*! @brief How many the DTD are supported. */
 #define USB_DEVICE_CONFIG_EHCI_MAX_DTD (16U)
+
+#ifndef CONFIG_UDC_BUF_FORCE_NOCACHE
+#ifdef CONFIG_NOCACHE_MEMORY
+#define USB_DEVICE_CONFIG_BUFFER_PROPERTY_CACHEABLE (1U)
+#endif
+#endif
 #endif
 
 /* TODO: After Kconfig item that enable/disable sof is added,