disable uart0 uart7 uart9

hc

2023-11-22 983d7f83616922a6439b4352d1b3af488ee27f95

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# Locally computed:
sha256 d3be5c6eec24950cb3bd67dbfbcdf036f1278fae5fd78655ef8cdf9e911e428a dmalloc-5.5.2.tgz