linux-variscite: update to latest

ebea29d540f3 imx8mm-var-dart: Introduce support for pcal6408
36770a123871 gpio: pca953x: Introduce standard-regs-fallback property
589c00dedd24 gpio: pca953x: Introduce support for nxp,pcal6408
f756bccc5781 sn65dsi83: Add device tree property to swap LVDS Channel A/B
fbadf1321349 imx8mm-var-som: Disable usbotg1 hnp, srp, and adp
a8b98717beb6 imx8mm-var-dart: Disable usbotg1 hnp, srp, and adp

Signed-off-by: Nate Drude <nate.d@variscite.com>

recipes-kernel/linux/linux-common.inc

@@ -1,4 +1,4 @@
 LINUX_VERSION = "5.4.127"
 SRCBRANCH = "5.4-2.3.x-imx_var01"
-SRCREV = "920c302cfe05d805f97be9635af411e67c888051"
+SRCREV = "ebea29d540f31d08a6ad044df45e74e4f6f8d813"
 KERNEL_SRC = "git://github.com/varigit/linux-imx;protocol=git"