stlinkv3_spi.c: Improve printed messages

Add missing line ends, and add a note about the first version of the
updater which contains the necessary V3 bridge feature.

Change-Id: Ib45efa37b192489bdfe26f1f0fd1d81035a08c70
Signed-off-by: Miklós Márton <martonmiklosqdev@gmail.com>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/43900
Original-Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/71317
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/stlinkv3_spi.c b/stlinkv3_spi.c
index ae865be..7e8336e 100644
--- a/stlinkv3_spi.c
+++ b/stlinkv3_spi.c
@@ -253,21 +253,22 @@
 	enum fw_version_check_result fw_check_result;
 
 	if (stlinkv3_check_version(&fw_check_result)) {
-		msg_perr("Failed to query FW version");
+		msg_perr("Failed to query FW version\n");
 		return -1;
 	}
 
 	if (fw_check_result != FW_VERSION_OK) {
-		msg_pinfo("Your STLink V3 has too old version of the bridge interface\n"
-			  "Please update the firmware with the STSW-LINK007 which can be downloaded from here:\n"
-			  "https://www.st.com/en/development-tools/stsw-link007.html");
+		msg_pinfo("Your STLink V3 has a too old version of the bridge interface\n"
+			  "Please update the firmware to version 2.33.25 or newer of the STSW-LINK007\n"
+			  "which can be downloaded from here:\n"
+			  "https://www.st.com/en/development-tools/stsw-link007.html\n");
 		return -1;
 	}
 
 	if (stlinkv3_spi_calc_prescaler(reqested_freq_in_kHz,
 					&prescaler,
 					&SCK_freq_in_kHz)) {
-		msg_perr("Failed to calculate SPI clock prescaler");
+		msg_perr("Failed to calculate SPI clock prescaler\n");
 		return -1;
 	}
 	msg_pinfo("SCK frequency set to %d kHz\n", SCK_freq_in_kHz);