linux-next: enable QCOM_CPUCP_MBOX

This isn't used yet but will be required for SCMI cpu frequency scaling
on X1 Elite. Let's get ready for that by enabling it now.

Signed-off-by: Caleb Connolly <caleb@postmarketos.org>

[ci:skip-build] already built in CI
Part-of: !5814

device/testing/linux-next/APKBUILD

@@ -3,7 +3,7 @@
 
 pkgname=linux-next
 pkgver=6.14_git20250313
-pkgrel=0
+pkgrel=1
 _nextver="${pkgver#*_git}"
 pkgdesc="Linux next kernel"
 arch="aarch64"
@@ -70,6 +70,6 @@ package() {
 
 sha512sums="
 fe5735f6acba0ca40c020e020f046c28df514a6d8602f2a7d4d397a25d15a556c29479fdf72eaf64f418ee5f8f7ee5a0514d2ee8c5fe007c4dd950be0fd7b441  linux-next-next-20250313.tar.gz
-8de0a3791ea671528a9fc753071683dfea68ea4f4c22060fc0ca8a4b1b3d76eaa2a3fd40bb013173f0e55da15dde91cf285902779beb35781b6c90f39244ce11  devices.config
+95b1da5657af138ef97022c9f64987e765bfee634f8b967530dc7126f664039984dc2c2d20abb131fc119794fed25394b235bfc0c18390a45fd782bbaab63dba  devices.config
 d71b52f95c94aeed420704150965b4a084038d7db4dce14f9d4eeb1d5a6a7505ab34eb5245a05bf0186e68a6c41d719c40dbd0050ebb9fb7b769dfe118a7a89f  pmos.config
 "

device/testing/linux-next/devices.config

@@ -18,6 +18,10 @@ CONFIG_RMI4_F30=y
 # SHIFT6mq
 CONFIG_DRM_PANEL_VISIONOX_RM69299=m
 
+# X1E - should be enabled in defconfig but waiting for
+# https://lore.kernel.org/linux-arm-msm/48cfd337-e691-7f10-71df-f6389e098e67@quicinc.com/
+CONFIG_QCOM_CPUCP_MBOX=m
+
 # sc7180
 CONFIG_SC_DISPCC_7180=m
 CONFIG_SC_GPUCC_7180=m