obs-qsv: Add newer platforms to CPU enum

Adding BDW and SKL to QSV CPU enum to check CPUID before enabling newer
QSV features

plugins/obs-qsv11/QSV_Encoder.cpp

@@ -293,6 +293,15 @@ enum qsv_cpu_platform qsv_get_cpu_platform()
 	case 0x45:
 	case 0x46:
 		return QSV_CPU_PLATFORM_HSW;
+	case 0x3d:
+	case 0x47:
+	case 0x4f:
+	case 0x56:
+		return QSV_CPU_PLATFORM_BDW;
+
+	case 0x4e:
+	case 0x5e:
+		return QSV_CPU_PLATFORM_SKL;
 	}
 
 	//assume newer revisions are at least as capable as Haswell

plugins/obs-qsv11/QSV_Encoder.h

@@ -110,6 +110,8 @@ enum qsv_cpu_platform {
 	QSV_CPU_PLATFORM_SLM,
 	QSV_CPU_PLATFORM_CHT,
 	QSV_CPU_PLATFORM_HSW,
+	QSV_CPU_PLATFORM_BDW,
+	QSV_CPU_PLATFORM_SKL,  
 	QSV_CPU_PLATFORM_INTEL
 };