xiaomi-sagit: fix initramfs module list and blacklist ipa module (MR 3644)

Remove mainline postfix in initramfs module list,
because sagit has only 1 kernel for now.
Blacklisting ipa module fixes poweroff.
See 68cdc1ea commit for more info.

[ci:skip-build]: already built successfully in CI

device/testing/device-xiaomi-sagit/APKBUILD

 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-xiaomi-sagit
 pkgdesc="Xiaomi Mi 6"
-pkgver=1
+pkgver=2
 pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
@@ -45,6 +45,6 @@ phosh() {
 }
 
 sha512sums="
-fba74ec902c86909221e28c02f712fc177199da747fe11a812f591720fcc046c0064de4e3cace500fc5022f09dda277ac75ce3b001523e75d28dd880f12b57db  deviceinfo
+dfcb291b1ce1ab9fd0074e544fe05f36db67c526c3f4d34fa287b514e8cd1f46a0a2d76ed396f23bb5e5dc04d45a07f0bed71d1693317799865dbd2436af6cef  deviceinfo
 2288f08a44aae5136c0c0c846501c2bd4bcb10f05454b40c6e4490d398385b8a7129216047b5eb7982ca6d62d3aa71f3e18bfb8661d0cd32c8a600685ca0da48  phoc.ini
 "

device/testing/device-xiaomi-sagit/deviceinfo

@@ -18,7 +18,7 @@ deviceinfo_screen_height="1920"
 
 # Bootloader related
 deviceinfo_flash_method="fastboot"
-deviceinfo_kernel_cmdline="clk_ignore_unused console=tty1"
+deviceinfo_kernel_cmdline="clk_ignore_unused console=tty1 modprobe.blacklist=ipa"
 deviceinfo_generate_bootimg="true"
 deviceinfo_bootimg_qcdt="false"
 deviceinfo_bootimg_dtb_second="false"
@@ -35,7 +35,7 @@ deviceinfo_append_dtb="true"
 deviceinfo_flash_kernel_on_update="true"
 
 # Initramfs
-deviceinfo_modules_initfs_mainline="panel-jdi-fhd-r63452 msm i2c-qup rmi_i2c qcom_spmi_fg qcom_spmi_haptics"
+deviceinfo_modules_initfs="panel-jdi-fhd-r63452 msm i2c-qup rmi_i2c qcom_spmi_fg qcom_spmi_haptics"
 deviceinfo_mesa_driver="msm"
 
 # Required for devices using UFS as storage (instead of e.g. eMMC)