test: cmd/bdinfo: consider arch_print_bdinfo() output

test: cmd/bdinfo: consider arch_print_bdinfo() output

On x86 commit 9b35dbc93fd4 ("x86: Show the timestamp counter with bdinfo")
has added another bdinfo output line.

On RISC-V commit 66b5ee9c558e ("riscv: add RISC-V fields to bdinfo
command") implemented arch_print_bdinfo().

Update the bdinfo test accordingly.

Fixes: 9b35dbc93fd4 ("x86: Show the timestamp counter with bdinfo")
Fixes: 66b5ee9c558e ("riscv: add RISC-V fields to bdinfo command")
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>