Bump hekate to v6.4.2 and Nyx to v1.8.2

Versions.inc

@@ -1,11 +1,11 @@
 # IPL Version.
 BLVERSION_MAJOR := 6
 BLVERSION_MINOR := 4
-BLVERSION_HOTFX := 1
+BLVERSION_HOTFX := 2
 BLVERSION_REL   := 0
 
 # Nyx Version.
 NYXVERSION_MAJOR := 1
 NYXVERSION_MINOR := 8
-NYXVERSION_HOTFX := 1
+NYXVERSION_HOTFX := 2
 NYXVERSION_REL   := 0

bootloader/main.c

@@ -1525,7 +1525,7 @@ ment_t ment_top[] = {
 	MDEF_END()
 };
 
-menu_t menu_top = { ment_top, "hekate v6.4.1", 0, 0 };
+menu_t menu_top = { ment_top, "hekate v6.4.2", 0, 0 };
 
 extern void pivot_stack(u32 stack_top);