Remove partially qualified asm helper functions

Each ARM Trusted Firmware image should know in which EL it is running
and it should use the corresponding register directly instead of reading
currentEL and knowing which asm register to read/write

Change-Id: Ief35630190b6f07c8fbb7ba6cb20db308f002945
diff --git a/bl31/aarch64/bl31_arch_setup.c b/bl31/aarch64/bl31_arch_setup.c
index faeccf3..2a424f8 100644
--- a/bl31/aarch64/bl31_arch_setup.c
+++ b/bl31/aarch64/bl31_arch_setup.c
@@ -42,10 +42,10 @@
 	unsigned long tmp_reg = 0;
 
 	/* Enable alignment checks and set the exception endianness to LE */
-	tmp_reg = read_sctlr();
+	tmp_reg = read_sctlr_el3();
 	tmp_reg |= (SCTLR_A_BIT | SCTLR_SA_BIT);
 	tmp_reg &= ~SCTLR_EE_BIT;
-	write_sctlr(tmp_reg);
+	write_sctlr_el3(tmp_reg);
 
 	/*
 	 * Enable HVCs, route FIQs to EL3, set the next EL to be AArch64, route
@@ -72,13 +72,12 @@
 void bl31_next_el_arch_setup(uint32_t security_state)
 {
 	unsigned long id_aa64pfr0 = read_id_aa64pfr0_el1();
-	unsigned long current_sctlr, next_sctlr;
+	unsigned long next_sctlr;
 	unsigned long el_status;
 	unsigned long scr = read_scr();
 
 	/* Use the same endianness than the current BL */
-	current_sctlr = read_sctlr();
-	next_sctlr = (current_sctlr & SCTLR_EE_BIT);
+	next_sctlr = (read_sctlr_el3() & SCTLR_EE_BIT);
 
 	/* Find out which EL we are going to */
 	el_status = (id_aa64pfr0 >> ID_AA64PFR0_EL2_SHIFT) & ID_AA64PFR0_ELX_MASK;