efivar-dp.h: fix argument names in efidp_encode_acpi_display_adr
efivar-dp.h: fix argument names in efidp_encode_acpi_display_adr

Signed-off-by: Peter Jones <2e0a021e603479ff81838c00c3b770daca4e0214@redhat.com>

rhinstaller/efivar,rhboot/efivar,rhinstaller/efivar,vathpela/efivar-devel,rhboot/efivar