Remove pcie_ports=native and add pm_async=off

Author: AdityaGarg8

02_create_iso.sh

@@ -9,7 +9,7 @@ cp "$CHROOT_DIR/boot/vmlinuz-$T2_KERNEL" "$ISO_WORK_DIR/casper/vmlinuz"
 cp "$CHROOT_DIR/boot/initrd.img-$T2_KERNEL" "$ISO_WORK_DIR/casper/initrd"
 
 echo >&2 "===]> Info: Modify existing grub.cfg ..."
-sed -i 's/--- quiet splash/boot=casper quiet splash intel_iommu=on iommu=pt pcie_ports=native ---/g' "$ISO_WORK_DIR/boot/grub/grub.cfg"
+sed -i 's/--- quiet splash/boot=casper quiet splash intel_iommu=on iommu=pt pm_async=off ---/g' "$ISO_WORK_DIR/boot/grub/grub.cfg"
 
 echo >&2 "===]> Info: Creating EFI image ... "
 dd if=/dev/zero of="$ISO_WORK_DIR/EFI/efiboot.img" bs=1M count=10

chroot_iso.sh

@@ -14,7 +14,7 @@ echo "deb [signed-by=/etc/apt/trusted.gpg.d/t2-ubuntu-repo.gpg] https://github.c
 apt update
 
 # Add Kernel Parameters to GRUB for Installed System
-sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"/GRUB_CMDLINE_LINUX_DEFAULT="quiet splash intel_iommu=on iommu=pt pcie_ports=native"/' /etc/default/grub
+sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"/GRUB_CMDLINE_LINUX_DEFAULT="quiet splash intel_iommu=on iommu=pt pm_async=off"/' /etc/default/grub
 update-grub
 apt install -y apple-t2-audio-config apple-firmware-script
 apt install -y linux-t2=${KERNEL_VERSION}-${PKGREL}-${CODENAME}