Fix white space errors + remove #if defined

Fix a few white space errors and remove #if defined in workaround
for N1 Errata 1542419.
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
Change-Id: I07ac5a2fd50cd63de53c06e3d0f8262871b62fad

lib/cpus/aarch64/neoverse_n1.S

@@ -21,9 +21,7 @@
 #error "Neoverse-N1 supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
 #endif
 
-#if ERRATA_N1_IC_TRAP
 	.global neoverse_n1_errata_ic_trap_handler
-#endif
 
 /* --------------------------------------------------
  * Errata Workaround for Neoverse N1 Erratum 1043202.