[SWDEV-481004] Fix for incorrect gfx_version number (#8)

The target_graphics_version was not formatted properly and was
showing incorrect Target Name. Corrected this by fomatting
major, minor and revision numbers.

Signed-off-by: Bindhiya Kanangot Balakrishnan <Bindhiya.KanangotBalakrishnan@amd.com>

src/rocm_smi.cc

@@ -5365,7 +5365,7 @@ rsmi_status_t rsmi_dev_target_graphics_version_get(uint32_t dv_ind,
     }
     if (ret == RSMI_STATUS_SUCCESS) {
       version = amd::smi::removeString(version, "gfx");
-      *gfx_version = std::stoull(version);
+      *gfx_version = uint64_t(std::stoull(version, nullptr, 16));
     }
     ss << __PRETTY_FUNCTION__
        << " | ======= end ======= "

src/rocm_smi_utils.cc

@@ -1193,11 +1193,13 @@ rsmi_status_t rsmi_get_gfx_target_version(uint32_t dv_ind, std::string *gfx_vers
     // separate out parts -> put back into normal graphics version format
     major = static_cast<uint64_t>((orig_target_version / 10000) * 100);
     minor = static_cast<uint64_t>((orig_target_version % 10000 / 100) * 10);
-    if ((minor == 0) && (countDigit(major) < 4)) {
-      major *= 10;  // 0 as a minor is correct, but bump up by 10
-    }
     rev = static_cast<uint64_t>(orig_target_version % 100);
-    *gfx_version = "gfx" + std::to_string(major + minor + rev);
+
+    ss << std::hex << rev;
+    std::string revision = ss.str();
+    *gfx_version = "gfx" + std::to_string((major + minor)/10) + revision;
+
+    ss.str("");
     ss << __PRETTY_FUNCTION__
     << " | " << std::dec << "kfd_target_version = " << orig_target_version
     << "; major = " << major << "; minor = " << minor << "; rev = "