I'm no expert on UEFI but looking at your link, I'm not convinced the SD card is right - it appears you have it booted from the USB-stick to obtain the report, however this:
$ efibootmgr -v
BootCurrent: 0001
Timeout: 0 seconds
BootOrder: 0001,0002
Boot0001* UEFI: TOSHIBA TransMemory-Mx PMAP ACPI(a0341d0,0)PCI(1d,0)USB(1,0)USB(1,0)HD(1,20,1d0d7e0,000e5599)AMBO
Boot0002* Hard Drive BIOS(2,0,00)AMGOAMNO.........T.O.S.H.I.B.A. .T.r.a.n.s.M.e.m.o.r.y.-.M.x. .P.M.A.P....................A.............................L..Gd-.;.A..MQ..L.T.O.S.H.I.B.A. .T.r.a.n.s.M.e.m.o.r.y.-.M.x. .P.M.A.P......AMBO
UEFI/Legacy mode:
BIOS is EFI-compatible, and is setup in EFI-mode for this live-session.
SecureBoot disabled. (maybe sec-boot, Please report this message to [email protected])
PARTITIONS & DISKS:
mmcblk0p1 : mmcblk0, not-sepboot, no-grubenv nogrub, no-docgrub, no-update-grub, 32, no-boot, no-os, is-maybe-EFI, part-has-no-fstab, part-has-no-fstab, no-nt, no-winload, no-recov-nor-hid, no-bmgr, notwinboot, nopakmgr, nogrubinstall, no---usr, part-has-no-fstab, not-sep-usr, standard, not-far, /media/ubuntu/DAEA-6B79.
mmcblk0p2 : mmcblk0, not-sepboot, grubenv-ok grub2, signed grub-efi , update-grub, 64, with-boot, is-os, not--efi--part, fstab-without-boot, fstab-has-goodEFI, no-nt, no-winload, no-recov-nor-hid, no-bmgr, notwinboot, apt-get, grub-install, with--usr, fstab-without-usr, not-sep-usr, standard, not-far, /media/ubuntu/47ac1923-ae17-4a5b-8c00-21c1cbaa2fc0.
mmcblk0 : sda, maybesepboot, no-grubenv nogrub, no-docgrub, no-update-grub, 32, no-boot, no-os, not--efi--part, part-has-no-fstab, part-has-no-fstab, no-nt, no-winload, no-recov-nor-hid, no-bmgr, notwinboot, nopakmgr, nogrubinstall, no---usr, part-has-no-fstab, not-sep-usr, standard, not-far, /mnt/boot-sav/mmcblk0.
mmcblk0 : GPT, no-BIOS_boot, has-maybe-EFI, not-usb, has-os, 2048 sectors * 512 bytes
sda : not-GPT, BIOSboot-not-needed, has-no-EFIpart, usb-disk, no-os, 32 sectors * 512 bytes
Seems to suggest the SD isn't bootable.
I did find this link which looks similar