oem-ibm: Fix the hostfw image file name

The name of the hostfw image file should be image-hostfw, not
image-host-fw:
https://github.com/openbmc/openbmc/blob/50c538c2b942fecba6fa1fc3cfe0f5a339f10999/meta-phosphor/classes/phosphor-software-manager-mmc.bbclass#L7

Tested: Verified inband code update updated this the hostfw image file.

Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
Change-Id: I64fc78190682bcc8acfe9255b1deb27cf7ff71e0
diff --git a/oem/ibm/libpldmresponder/inband_code_update.cpp b/oem/ibm/libpldmresponder/inband_code_update.cpp
index fab3023..723caad 100644
--- a/oem/ibm/libpldmresponder/inband_code_update.cpp
+++ b/oem/ibm/libpldmresponder/inband_code_update.cpp
@@ -32,7 +32,7 @@
 constexpr auto tarImageName = "image.tar";
 
 /** @brief The file name of the hostfw image */
-constexpr auto hostfwImageName = "image-host-fw";
+constexpr auto hostfwImageName = "image-hostfw";
 
 /** @brief The path to the code update tarball file */
 auto tarImagePath = fs::path(imageDirPath) / tarImageName;