amdgpu: update marketing names

From 20.45 release.

Acked-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

data/amdgpu.ids

@@ -254,6 +254,8 @@
 7300,	CB,	AMD Radeon (TM) R9 Fury Series
 7300,	CA,	AMD Radeon (TM) R9 Fury Series
 7312,	00,	AMD Radeon Pro W5700
+731E,	C6,	AMD Radeon RX 5700XTB
+731E,	C7,	AMD Radeon RX 5700B
 731F,	C0,	AMD Radeon RX 5700 XT 50th Anniversary
 731F,	C1,	AMD Radeon RX 5700 XT
 731F,	C2,	AMD Radeon RX 5600M
@@ -265,9 +267,13 @@
 7340,	C1,	Radeon RX 5500M
 7340,	C5,	Radeon RX 5500 XT
 7340,	C7,	Radeon RX 5500
+7340,	C9,	AMD Radeon RX 5500XTB
 7340,	CF,	Radeon RX 5300
 7341,	00,	AMD Radeon Pro W5500
 7347,	00,	AMD Radeon Pro W5500M
+73BF,	C0,	AMD Radeon RX 6900 XT
+73BF,	C1,	AMD Radeon RX 6800 XT
+73BF,	C3,	AMD Radeon RX 6800
 9874,	C4,	AMD Radeon R7 Graphics
 9874,	C5,	AMD Radeon R6 Graphics
 9874,	C6,	AMD Radeon R6 Graphics