dashboard: disable CONFIG_DEBUG_WX in USB config

Otherwise we get "Found insecure W+X mapping" due to rodata=n in cmdline.
diff --git a/dashboard/config/upstream-usb.config b/dashboard/config/upstream-usb.config
index 51547b4..29a236d 100644
--- a/dashboard/config/upstream-usb.config
+++ b/dashboard/config/upstream-usb.config
@@ -8572,10 +8572,9 @@
 CONFIG_EARLY_PRINTK=y
 CONFIG_EARLY_PRINTK_DBGP=y
 # CONFIG_EARLY_PRINTK_USB_XDBC is not set
-CONFIG_X86_PTDUMP_CORE=y
 # CONFIG_X86_PTDUMP is not set
 # CONFIG_EFI_PGT_DUMP is not set
-CONFIG_DEBUG_WX=y
+# CONFIG_DEBUG_WX is not set
 CONFIG_DOUBLEFAULT=y
 # CONFIG_DEBUG_TLBFLUSH is not set
 # CONFIG_IOMMU_DEBUG is not set