CVE-2025-21821 fbdev: omap: use threaded IRQ for LCD DMA

In the Linux kernel, the following vulnerability has been resolved: fbdev: omap: use threaded IRQ for LCD DMA When using touchscreen and framebuffer, Nokia 770 crashes easily with: BUG: scheduling while atomic: irq/144-ads7846/82/0x00010000 Modules linked in: usbfecm gether usbfrndis uether...