[PATCH] spi: spidev_test: Use %u to format unsigned numbers

[Geert Uytterhoeven <geert+renesas@xxxxxxxxx>]

Consistently use %u to format unsigned numbers.
For "bits" this doesn't matter that much, as it is "uint8_t".
However, "speed" is "uint32_t", so in case people use "-s -1" to force
the maximum, they would see:

    max speed: -1 Hz (4294967 KHz)

While at it, use "k" (kilo) instead of "K" (kelvin) in "kHz".

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
 tools/spi/spidev_test.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/spi/spidev_test.c b/tools/spi/spidev_test.c
index eec23fa693bd5912..56ea053f72f2a276 100644
--- a/tools/spi/spidev_test.c
+++ b/tools/spi/spidev_test.c
@@ -461,8 +461,8 @@ int main(int argc, char *argv[])
 		pabort("can't get max speed hz");
 
 	printf("spi mode: 0x%x\n", mode);
-	printf("bits per word: %d\n", bits);
-	printf("max speed: %d Hz (%d KHz)\n", speed, speed/1000);
+	printf("bits per word: %u\n", bits);
+	printf("max speed: %u Hz (%u kHz)\n", speed, speed/1000);
 
 	if (input_tx)
 		transfer_escaped_string(fd, input_tx);
-- 
2.17.1