efi_loader: use include in ARM EFI linker script

Use the same include as arm64 for the linker script.

Adjust the 32-bit ARM PE-COFF header accordingly and harmonize it with the
64-bit ARM header.

Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/arch/arm/lib/crt0_arm_efi.S b/arch/arm/lib/crt0_arm_efi.S
index 3664cce..91b0fe1 100644
--- a/arch/arm/lib/crt0_arm_efi.S
+++ b/arch/arm/lib/crt0_arm_efi.S
@@ -46,8 +46,8 @@
 	.long	0				/* BaseOfData */
 
 extra_header_fields:
-	.long	0				/* image_base */
-	.long	0x200				/* SectionAlignment */
+	.long	0				/* ImageBase */
+	.long	0x1000				/* SectionAlignment */
 	.long	0x200				/* FileAlignment */
 	.short	0				/* MajorOperatingSystemVersion */
 	.short	0				/* MinorOperatingSystemVersion */
@@ -84,6 +84,7 @@
 	.quad	0				/* CertificationTable */
 	.quad	0				/* BaseRelocationTable */
 
+	/* Section table */
 section_table:
 
 	/*
@@ -111,9 +112,9 @@
 	.byte	0
 	.byte	0
 	.byte	0			/* end of 0 padding of section name */
-	.long	_text_size		/* VirtualSize */
+	.long	_etext - _start		/* VirtualSize */
 	.long	_start - image_base	/* VirtualAddress */
-	.long	_text_size		/* SizeOfRawData */
+	.long	_etext - _start		/* SizeOfRawData */
 	.long	_start - image_base	/* PointerToRawData */
 	.long	0			/* PointerToRelocations */
 	.long	0			/* PointerToLineNumbers */