x86/Kconfig: Correct spelling and punctuation

End a sentence with a period (aka full stop) in Kconfig help text. Fix
minor NUMA-related Kconfig text:

- Use capital letters for NUMA acronym.
- Hyphenate Non-Uniform.

 [ bp: Merge into a single patch. ]
Signed-off-by: NRandy Dunlap <rdunlap@infradead.org>
Signed-off-by: NBorislav Petkov <bp@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: X86 ML <x86@kernel.org>
Link: https://lkml.kernel.org/r/443ed0a8-783d-6c7c-3258-e1c44df03fd7@infradead.org

arch/x86/Kconfig

@@ -477,7 +477,7 @@ config X86_BIGSMP
 	bool "Support for big SMP systems with more than 8 CPUs"
 	depends on SMP
 	---help---
-	  This option is needed for the systems that have more than 8 CPUs
+	  This option is needed for the systems that have more than 8 CPUs.
 
 config X86_EXTENDED_PLATFORM
 	bool "Support for extended (non-PC) x86 platforms"
@@ -1543,12 +1543,12 @@ config AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT
 
 # Common NUMA Features
 config NUMA
-	bool "Numa Memory Allocation and Scheduler Support"
+	bool "NUMA Memory Allocation and Scheduler Support"
 	depends on SMP
 	depends on X86_64 || (X86_32 && HIGHMEM64G && X86_BIGSMP)
 	default y if X86_BIGSMP
 	---help---
-	  Enable NUMA (Non Uniform Memory Access) support.
+	  Enable NUMA (Non-Uniform Memory Access) support.
 
 	  The kernel will try to allocate memory used by a CPU on the
 	  local memory controller of the CPU and add some more