[openwrt/openwrt] build: use 128MiB as the boot/kernel partition size on armvirt target

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch openwrt-23.05:
https://git.openwrt.org/04d2f8f11fc4c1809c297b5b90fddbad98ce905d

commit 04d2f8f11fc4c1809c297b5b90fddbad98ce905d
Author: Mathew McBride <matt at traverse.com.au>
AuthorDate: Tue Jun 1 01:48:25 2021 +0000

    build: use 128MiB as the boot/kernel partition size on armvirt target
    
    The nominal partition type for EFI boot partitions is FAT32,
    which has a minimum size of 32MiB on a 512-byte-sector block device.
    
    To ensure that the boot partition is created as FAT32 set a size
    well above this minimum.
    
    A useful discussion about EFI partition sizes can be found here:
    https://superuser.com/questions/1310927/what-is-the-absolute-minimum-size-a-uefi-system-partition-can-be
    
    I have found 128MiB works pretty consistently across both
    tools (mkfs.fat) and firmwares (EDKII)
    
    Signed-off-by: Mathew McBride <matt at traverse.com.au>
    (cherry picked from commit 71e56b2ff1e8aeb3205784c0b5f8ca6ba0fbbf63)
---
 config/Config-images.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/config/Config-images.in b/config/Config-images.in
index cbf1e9f26d..396f1dd3e3 100644
--- a/config/Config-images.in
+++ b/config/Config-images.in
@@ -292,6 +292,7 @@ menu "Target Images"
 		depends on USES_BOOT_PART
 		default 8 if TARGET_apm821xx_sata
 		default 64 if TARGET_bcm27xx
+		default 128 if TARGET_armvirt
 		default 16
 
 	config TARGET_ROOTFS_PARTSIZE