net: stmmac: Minor spell fix related to 'stmmac_clk_csr_set()'

Minor spell fix related to 'stmmac_clk_csr_set()' inside a
comment used in the 'stmmac_probe_config_dt()' function.

Cc: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220924104514.1666947-1-bhupesh.sharma@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c

@@ -440,7 +440,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
 	/* Default to phy auto-detection */
 	plat->phy_addr = -1;
 
-	/* Default to get clk_csr from stmmac_clk_crs_set(),
+	/* Default to get clk_csr from stmmac_clk_csr_set(),
 	 * or get clk_csr from device tree.
 	 */
 	plat->clk_csr = -1;