include: env: ti: ti_common: Fix a missing semicolon

Fix a missing semicolon that leads to syntax error while booting j721s2.

    Importing environment from mmc1 ...
    syntax error at 'run'HUSH died!

Fixes: 0d72b0f2 ("include: env: ti: ti_common: Run main_cpsw0_qsgmii_phyinit conditionally")

Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>