kbuild: fix typos "prequisites" to "prerequisites"

This typo in scripts/Makefile.build has been present for more than 20
years. It was accidentally copy-pasted to other scripts/Makefile.* files.
Fix them all.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>

scripts/Makefile.build

@@ -487,7 +487,7 @@ $(subdir-ym):
 	need-modorder=$(if $(filter $@/modules.order, $(subdir-modorder)),1) \
 	$(filter $@/%, $(single-subdir-goals))
 
-# Add FORCE to the prequisites of a target to force it to be always rebuilt.
+# Add FORCE to the prerequisites of a target to force it to be always rebuilt.
 # ---------------------------------------------------------------------------
 
 PHONY += FORCE

scripts/Makefile.modfinal

@@ -62,7 +62,7 @@ endif
 
 targets += $(modules:%.o=%.ko) $(modules:%.o=%.mod.o)
 
-# Add FORCE to the prequisites of a target to force it to be always rebuilt.
+# Add FORCE to the prerequisites of a target to force it to be always rebuilt.
 # ---------------------------------------------------------------------------
 
 PHONY += FORCE

scripts/Makefile.vmlinux

@@ -33,7 +33,7 @@ targets += vmlinux
 vmlinux: scripts/link-vmlinux.sh vmlinux.o $(KBUILD_LDS) FORCE
 	+$(call if_changed_dep,link_vmlinux)
 
-# Add FORCE to the prequisites of a target to force it to be always rebuilt.
+# Add FORCE to the prerequisites of a target to force it to be always rebuilt.
 # ---------------------------------------------------------------------------
 
 PHONY += FORCE

scripts/Makefile.vmlinux_o

@@ -87,7 +87,7 @@ targets += modules.builtin
 modules.builtin: modules.builtin.modinfo FORCE
 	$(call if_changed,modules_builtin)
 
-# Add FORCE to the prequisites of a target to force it to be always rebuilt.
+# Add FORCE to the prerequisites of a target to force it to be always rebuilt.
 # ---------------------------------------------------------------------------
 
 PHONY += FORCE