ARM: meson: Add S905Y2 SOC ID

Add the SOC ID for the S905Y2 to board info, see below for before/after
tested with a Radxa Zero board:

SoC:   Amlogic Meson G12A (Unknown) Revision 28:b (30:2)
SoC:   Amlogic Meson G12A (S905Y2) Revision 28:b (30:2)

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
1 file changed