memory: tegra: remove redundant variable initialization

tegra210_emc_table_device_init() sets count = 0 twice, so
remove the second instance.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Link: https://lore.kernel.org/r/20230319171303.120777-1-diogo.ivo@tecnico.ulisboa.pt
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

drivers/memory/tegra/tegra210-emc-table.c

@@ -22,8 +22,6 @@ static int tegra210_emc_table_device_init(struct reserved_mem *rmem,
 		return -ENOMEM;
 	}
 
-	count = 0;
-
 	for (i = 0; i < TEGRA_EMC_MAX_FREQS; i++) {
 		if (timings[i].revision == 0)
 			break;