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This patch gives i.MX8ULP's HIFI4 DSP R/W access to the following additional resources (peripherals): 1) LPUART7 2) IOMUXC1 3) PCC4 4) CGC1 Doing this allows the firmware running on the DSP to set up serial communication, which also requires doing pinctrl and clock management-related operations. Access to the aforementioned resources is given by configuring the XRDC module. Change-Id: Ie3ca9f22bb625b2463870158875f503c3c1d6452 Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> Reviewed-by: Ye Li <ye.li@nxp.com>