linux-interrupts-2: Deprecated Makefile assignment

Replace a deprecated Makefile assignment with the current version.
Change was introduced with the following commit:
https://lkml.org/lkml/2019/10/24/377

Signed-off-by: Sebastian Fricke <sebastian.fricke.linux@gmail.com>

Interrupts/linux-interrupts-2.md

@@ -78,7 +78,7 @@ As you can remember the 32-bit entry point is in the [arch/x86/boot/compressed/h
 But the 32-bit mode entry point is the second file in our case. The first file is not even compiled for `x86_64`. Let's look at the [arch/x86/boot/compressed/Makefile](https://github.com/torvalds/linux/blob/16f73eb02d7e1765ccab3d2018e0bd98eb93d973/arch/x86/boot/compressed/Makefile):
 
 ```
-vmlinux-objs-y := $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
+vmlinux-objs-y := $(obj)/vmlinux.lds $(obj)/kernel_info.o $(obj)/head_$(BITS).o \
 ...
 ...
 ```