ram: stm32mp1: test: increase minimum size for NoiseBurst test

As do_noise_burst use chunk of 128 bytes for load multiple, the lowest
tested size is 128 bytes.

Signed-off-by: Patrick Delaunay <[email protected]>
Change-Id: I79151173b466f2daeda7cdbfaefe7db5bf81c3f7
Reviewed-on: https://gerrit.st.com/c/mpu/oe/st/u-boot/+/167886

drivers/ram/stm32mp1/stm32mp1_tests.c

@@ -742,7 +742,7 @@ static enum test_result test_noise_burst(struct stm32mp1_ddrctl *ctl,
 	int i;
 	enum test_result res = TEST_PASSED;
 
-	if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024, 8))
+	if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024, 128))
 		return TEST_ERROR;
 	if (get_pattern(string, argc, argv, 1, &pattern, 0xFFFFFFFF))
 		return TEST_ERROR;